What is the approximate area of the triangle?

A)12.5
B)18
C)21.5
D)31

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?