The radius of a circle is 4 millimeters. what is the circle's circumference? r=4 mm use 3.14 for .

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2