Moby sold half his toy car collection, and then bought 12 more cars the next day. he now has 28 toy cars . how many cars did he have to start with

Ineed with number 6 , explain how to get 1978

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

Evaluate the expression. (9 + 5)(3 + 2)0