From the sum of 3a²-a-3 and 2a-9, subtract a²-3a-7

Which situation is best modeled by the inequality g ≤ 13? A:You cannot play a game at age 13. B:You must be no older than 13 to play a game. C:You must be at least 13 to play a game. D:You must be younger than 13 to play a game.

What is the difference between these fractions? +3/4 - (+7/8)

What are the quadratic function f (b) = b^2-75?

A container of fuel dispenses fuel at the rate of 5 gallons per second. If y represents the amount of fuel remaining in the container, and x represents the number of seconds that have passed since the fuel started dispensing, then x and y satisfy a

Suppose the probability that a softball player gets a hit in any single at-bat is. 300. assuming that her chance of getting a hit is independent, what is the probability that she will get her first hit on her fourth at-bat (attempt) in a game?

One number is seven less than two times another. If their sum is decreased by four, the result is one. Find the numbers.

If you have $19 and you spend $6 on baseball tickets, what fraction of your money did you spend?

Ruby is visiting San Francisco. From her hotel she walks 1 block west ans 4 blocks south to a coffee shop. Then she walks 5 blocks east and 6 blocks south to a museum. Where is the museum in relation to her hotel

A youth chorus has 30 members. There are 14 boys in the chorus. What is the ratio of boys to girls in simplest form? A. 7/15 B. 8/15 C. 7/8 D. 8/7

Each morning Papa notes the birds feeding on his bird feeder. So far this month he has seen 59 blue jays, 68 black crows, 12 Red Robin's and 1 cardinal. If 300 birds visit Papa's bird feeder, how many blue jays can we expect to see?