Which of the following are monomials?

Check all that apply.

A. 20x11

B. 99

C. x + 9

D. 112 - 9

E. 11x - y

F. x9

9. Darcy is buying apples and oranges for a large fruit basket to give away as a door prize at a charity event. Apples cost $0.24 each and oranges cost $0.80 each. She has $12 to spend and would like to purchase at least 20 pieces of fruit total.

Josh can buy bottles of water in packages of 6 for $18.00 or in packages of 4 for $12.84. How much money does he save by buying 24 bottles of water at the better price?

Erica is wirking at a concession stand. she sold 6 bags of chips 14 apples and 3 juice boxes. she has $12.05 in the cash register. how many sandwiches has she sold

Tyler and Eric go fishing over the summer Tyler catches 116 fish over 4 hours while his friend Eric caught 93 fish over 3 hours who caught more fish per hour

The data to represent average test scores for a class of 16 students includes an outlier value of 78. If the mean, including the outlier of 78, equals 84, which statement is always true about the new data when the outlier is removed?

Every three days Marco fills up his car with gas. Every eight days he washes his car. On what day will Marco go fill his car with gas and wash it?

After a new $28,000 car is driven off the lot, it begins to depreciate at a rate of 18.9% annually. Which function describes the value of the car after t years? 1) C (t) = 28,000 (0.158) ^t 2) C (t) = 28,000 (0.811) ^t 3) C (t) = 28.000 (1.

Find the mean of 8,3,7, 7, 10 graphically. What is the sum of the numbers?

A ball is thrown vertically upward from the top of a building 64 feet tall with an initial velocity of 48 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s equals 64 plus 48 t minus 16 t squared.

6x-2y=14 Solve the given equation for y