Two angles of a triangle measure 55° and 20° What is the measure of the third angle of the triangle?

Factor this polynomial completely x^2-64

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.