Evaluate the function fx = 4 * 7^t for x = - 1 and x=2

I want to learn quadrilateral properties

5. Ray wants to buy a hat that costs $10 and some shirts that cost $12 each. The sales tax rate is 6.5%. The expression 0.065 (10 + 12s) can be used to determine the amount of sales tax that Ray will pay on his entire purchase. Expand the expression.

How long will it take Jordon to drive 600 miles if his average speed is 65 miles per hour? t = 600/65 per hour How many hours

Two trains, train A and train B simultaneously depart station A and station B. Station A and station B are 252.5 miles apart from each other. Train A is moving 124.7mph towards Station B, and train B is moving 253.5mph torwards station A.

Kendall bought a wallet for $27 after a 45% discount was taken off. If $27 was the sale price of the wallet, what was the original price of the wallet

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.