Simplify to create an equivalent expression.
-3z-(-z-2)}−3z−(−z−2)

What is the value of x in the this question ?

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

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.