lrsmith
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Mathematics

a) $4.05 b) $2.70 c) $31.05 d) $1.35 None

English

Curfews have been used effectively in many towns to reduce crime. By having kids return home at a set time, they will also achieve better grades in school. High-schoolers who obey their curfew will make our nation stronger by becoming better leaders. Even President Obama agrees, "Education is the key to this country's future." Which revision criterion could be used to improve this excerpt? A. Logic B. Use of support C. Word choice D. Transparency None

Biology

Levees and dams are beneficial to farmlands because they _____. help refill aquifers with fresh water provide a source of irrigation prevent stream sediments from being deposited on the fields protect the fields from floods None

Mathematics

A) mn-^2 B) m-^2n-^2 C) m^2n-^2 D) m-^2n^2 None