Apizza restaurant has 21 topping choices and 3 dough choices. how many different 3-
topping pizzas can be made if toppings can be selected more than once?

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 point slope form of a line with slope -5 that contains point (2,-1)

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0