Her _________ should not be confused with miserliness; as long as I have known her, she has always been willing to assist those who are in need.

Appreciating that mathematical notation presents a major roadblock to many students, some well-meaning educators (i)_____ them by (ii)_____ the use of notation; but this is an unfortunate detour, since practice with notation (iii)_____ the important skill of reasoning.

Joshua Gisemba Bagaka found that the pedagogical results of group projects and other engaged learning activities in Kenyan mathematics classroom were _____; such activities, then, may not be the best way of improving mathematics education.

Excessive focus on what might have been can cause in us feelings of restlessness and regret, but some scientists are beginning to think that fancying an alternative reality might have _____ effects as well.

The author’s best-selling book on Virginia Woolf is not (i)_____ treatment of her subject; on the contrary, it presents (ii)_____ portrait of the novelist, faults and all.

Apparent flaws in the sculptor’s work have not _____ its respectful reception by most modern critics.

Political advertising may well be the most (i)_________ kind of advertising: political candidates are usually quite (ii)_________, yet their campaign advertisements often hide important differences behind smoke screens of smiles and empty slogans.

Contrary to those who fear the impact of invasive species on native plants, the biologists contend that the threat posed to biodiversity by nonnative species is often (i)_____. For instance, a study of garlic mustard, a nonnative plant now thriving in Minnesota’s oak forests, found that garlic mustard abundance in forest plots was not (ii)_____ the number of other plant species there.

While the writer was best known for her much-ballyhooed _____, her impact reached far beyond memorable quips.

Convinced of the gravity of her poetry, Voigt must have found the reviews of her most recent collection (i)_____ reading: one amused reviewer thought that it was unrecognizable as poetry but decidedly (ii)_____.

The apparent simplicity of savanna or a prairie landscape is illusory, but the illusion takes real effort to _____ because much of what actually occurs in these places takes place underground.

When the even integer n is divided by 7,the remainder is 3.

Which of the following functions f defined for all numbers x has the property that f (–x) = –f (x) for all numbers x ?

Consolidating memory is not instantaneous or even _____: every memory must be encoded and moved from short-term to long-term storage, and some of these memories are, for whatever reason, more vividly imprinted than others.

Instead of demonstrating the _____ of archaeological applications of electronic remote sensing, the pioneering study became, to some skeptics, an illustration of the imprudence of interpreting sites based on virtual archaeology.

Viewing people as 'social atoms' that obey rather simple rule (which are not unlike the laws of physics), one may discover certain (i)_____. Take, for example, the way channels emerge when people move in crowds. In the midst of initially (ii)_____ movements, one person begins to follow another—in an effort to avoid collisions—and streams of movement emerge. As more people join in, there is greater pull on others to join the flow, and the particular channels become (iii)_____.

Although his attempts to appear psychotic were so(i)_____ as to be almost(ii)_____, there is evidence that Ezra Pound was able to avoid standing trial for treason merely by faking symptoms of mental illness.

√√(79)(80)(81)(82)

Jenny has 228 more marbles than Jack. If Bob gives each of them 133 marbles, Jenny will have twice as many marbles as Jack. How many marbles does Jenny have now?

Despite dispute between the sisters lasted all summer, Megan remained (i)_____ and Laruen