Select which of the following are surds √17 √36 √100 √15 √30

What is the size of the matrix resulting from

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8