How many angels are there on a triangle?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable