How can you use congruent triangles to prove the statement true?

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !