8a + 12a - 7b - 9b - 11a

How to combine like terms

What does A=2nc solve for c

Convert 20 percent to a decimal

Lisa made 18 blueberry muffins. if each muffin contained 6 blueberries. how many total blueberries did lisa use?

Rewrite the equation in terms of u. (u^2 + 3) + u - 2 = 0 u^2 + u - 2 = 0 (u^2 + 9) + u - 2 = 0 u^2 + u + 1 = 0

10 to the 2nd power x 20+4/2-14

A wheel moves with an angular velocity of 16 radians per second. find the speed of the wheel if its diameter is 28 inches.

A retired couple invested $8000 in bonds. At the end of one year, they received an interest payment of $504. What was the simple interest rate of the bonds? Do NOT round off a decimal answer.

The price of a frig is marked up 25% to 406.25 what was the original price

2.4=-t/4.5 what does t equal

How can you tell the difference between a strong linear association and a weak linear association?