Is it linear quadratic or exponential​

Which term best describes the association between variables a and b

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?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b