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Which property justifies carmens first step?
First step : 7x^2-3=-5x^2-3

A) multiplication prop of equality

B) division prop of equality

C) associative prop of multiplication

D) commutative prop of multiplication

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Ineed in figuring out this problem.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .