What expression is equivalent to one over four − 16?

Dilations map circles to circles and ellipses to ellipses with the same. true or false

Find the solutions for a triangle with a =16, c =12, and b = 63º

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π