What is the perimeter of a square with a area of 169 cm

Suppose that you have 9 cards. 4 are red and 5 are purple. The cards are well shuffled. You randomly draw two cards without replacement.

What is the coefficient of the third term in the binomial expansion of (a + b) 6? 1 15 20 90

Rewrite the following so that y is a function of x 2x + 18y = 36

Can you ever start order of operations from the middle of a equation?

18 4/7 into an improper fraction

Solve for n q = 2n+2w

Write a ratio for the situation in three ways, comparing the first quantity to the second quantity. In Largo City, about one in every nine homes contains four televisions.

What are the roots of y = x2 - 3x - 10? 0 - 3 and - 10 0-2 and 5 2 and - 5 3 and 10

For each of the following problems, identify whether it is a permutation or combination problem, and then give the answer.

What is the answer of a^2+b^2 - (a-b) ^2