Jeff can pressure wash a driveway in 3 hours, but John needs 4 hours to pressure wash the same driveway. How long does it take them to pressure wash the driveway if they work together.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie