What is the vertex for y=-4x^2-4x+1

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Match each function with its rate of growth or decay

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?