Find the coordinates of the midpoint of the segment whose endpoints are A(-3, -2) and B(4, 7).

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Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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 .