EXPLAIN: WHY MUST YOU MULTIPLY EACH TERM IN THE FIRST BINOMIAL BY EACH TERM IN THE SECOND BINOMIAL? This was in a assignment where we had to multiply and simplify two binomials together

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?

Which best explains why this triangle is or is not a right triangle?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp