MULTIPLY THE RATIONAL EXPRESSION,(3X-21)/X.(X^2+3X)/(7X-4 9)

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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