Y =x ^ 2− 40x + c Find the value of “c” or “b” that completes the square AND rewrite as a perfect square.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

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