The volume of a cone is 251.2 cubic inches. the height of the cone is 15 inches. what is the radius of the cone, rounded to the nearest inch? use π = 3.14.

16 inches
8 inches
6 inches
4 inches

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

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 .