Look at the formula for the area of a circle below. A=(pi)2r
Which of the following equations can be used to solve for the radius (r)?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°