4(2a+3b)(5x+y)
how many factors make up this product ?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Yuto solved the equation below. what is the solution to yuto’s equation?

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis