What should equation b be multiplied by in order to eliminate the y variable in the system?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

What is the graph of the function fx x+2/x-3?