Valor de la incognita 9x+4 =5x+12?

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

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25