PLEASE ANSWER ASAP FOR BRAINESLT

Acylinder has volume 45π and radius 3. what is it’s height?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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 .