The widths of two similar rectangles are 10 cm and 15 cm. what is the ratio of the perimeters? of the areas? a. 3 : 4 and 9 : 16 b. 3 : 4 and 4 : 9 c. 2 : 3 and 9 : 16 d. 2 : 3 and 4 : 9

It says factor each expression completely 8y+48

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?