A ring-shaped region is shown below. Its inner radius is 8 ft, and its outer radius is 10 ft.
sit
10 ft
Find the area of the shaded region.
Use 3.14 for it. Do not round your answer.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?