You have 352 grams of a radioactive kind of cesium. How much will be left after 52 days if its half-life is 13 days?​

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm