Mr . Jack sold 13 pounds of grapes at his grape stand . The grapes sold for 2.28 per pound . How much did mr . Jack receive for the grapes he sold ?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?