Brian has 8 feet of canvas. he needs 1 4 foot to make a painting. how many paintings can brian make? enter your answer in the box.

Solve the system of equations. y= 2x y= x^2 - 15

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.