Write and solve an equation to find the number n.
the sum of twice a number and half the number is 10
equation: ? =10
the number n=?

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

State if the two triangles are congruent. if they are, state how you know?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?