Aliyah and her best friend found some money in an envelope. they split the money evenly, each getting $21. how much money did they find?

Factor the polynomial by its greatest common monomial factor.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Problem 2. find the exact value of the remaining trigonometric functions. sketch theangle 8 for each problem. (3 points each)(a) tan 0 =o is in quadrant 2