Is the following table closed under the operation of ? r S t U r t r Us S S 1 u t U t S r U S u t

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?