Which expression is equal to 7(1+3)?
7+4
7+21
7+3
1+21

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?

What is the difference between the predicted value and the actual value

Line wx is parallel to line yz. if m