C= 2(pi)r and c = d(pi) are the formulas for finding the of a circle.
radius
area
circumference
diameter

How can you decide witch operations to use to slice a two step equation

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?