Brad has one $1 bill 4 dimes and 2 nickels in his bank How much money does brad have in his bank

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

3x + 4y = 5 x- 3y = -7 solve by substitution

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x