12π rounded to the ten thousandths

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

What is the relationship between all triangles that can be drawn given the same three angles