F (x) = -2x+7, find f (8)

47% of citizens in a district voted in the last election. 21% of citizens in the district are under 18. Being younger than 18 and voting in the last election are mutually exclusive.

Last night, Christina received 4 messages from Kyle, 11 from Christina, 5 from Steven, 9 from Kevin, and 24 from Natalie. What is the experimental probability that the morning's first message is from Steven?

When asked theirfavorite color, 10 students said purple, 13 students said brown, 18 students said yellow, and 15 students said pink.

There were 144 tickets purchased for a major league baseball game. The general admission tickets cost $6.50 and the upper box tickets cost $10.00. The total amount of mowny spent was $1,219.50. How many of each kind of ticket were purchased

Mr. Green needs to give each student in his class $0.75 for bus fare for a field trip, but he's not sure if he has enough quarters. With $13.75 in quarters, he will be able to give bus fare to how many students?

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61