The diameter of the larger circle is 12.5cm the diameter of a smaller circle is 8.5cm what is the approximate area of the shaded region?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false