If 2% milk contains 2% butterfat and whipping cream contains 9% butterfat how much whipping cream in 2% milk should be mixed to obtain 35 gallons of milk with 4% butterfat

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

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

What is the value of p in the equation y^ = -4x?