Before beginning voice lessons, Andy already knew how to sing 28 pieces, and he expects to learn 2 new pieces during each week of lessons. How many weeks of lessons will Andy
need before he will be able to sing a total of 32 pieces?

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?