What value for n makes this equation true? 4 • 63 = (4 • 60) + (4 • n)

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?