What is 4 1/4 - 1 7/8?

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

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?