What is the coefficients of 7h+3

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

You use technology ans find a sum of 6.712e-8. write this sum in standard form

What is the difference between –12 and –5? what is the distance between –12 and –7 on a number line? units