Expand and simplify 9 (x-y) ^2-9 (x+y) (x-y)

The school is 3.2 blocks from Hector's house. How many blocks does Hector walk to go to and from school

Is 13a prime number or a composite?

Factor completely. 20+72m Enter your answer in the boxes.

What is 498 12/16 to the nearest whole number

The width of a rectangle is 6 x - 2 feet and the length is 3 x + 6 feet. Find the perimeter of the rectangle.

Solve for q. -15 - 18q = - 20q + 15 q =

Represent the proportional relationship described with an equation where d equals dogs and c equals cats: three dogs for each cat

Ou can draw a quadrilateral with two sets of parallel lines and no right angles. a. True b. False

There are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom. The three candidates that receive the highest number of votes become candidates for a runoff election. How many 3-candidate combinations are possible?

If n=1 and m=3 then n^2=2 and m=6 what is wrong with this question