ABCD is a rectangle. The perimeter is 140 ft. AB = 40ft Find the length of AC

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

One integer is 8 times another. if the product is 72, then find the integers