In order to provide valid data, every survey should be: A-Representative, unbiased, as many people as possible.
B-Representative, biased, as many as people as possible.
C-Convenient, unbiased, as many people as possible.
D-Convenient, biased, as many people as possible.

Which system of linear inequalities is graphed? can somebody pleasssse

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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 .