Arectangle has a lenghth of 2x+7 and a width of 3x+8y. write and simplify an expression for the perimeter of that rectangle.

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3