I= $54 p=$800 r=4.5% what's the amount of time ?

1. what is the measure of ∠abc? what is the measure of ∠abd?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5