A ball is dropped from an initial height of 10 feet. The maximum heights the ball reaches on the first three bounces are shown. a. Write a recursive formula for the sequence.
b. Write an explicit formula for the sequence.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Which math sentence can be used to determine if the triangle is a right triangle?

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2