How do i do this if 4! = 4 x 3 x 2 x 1, then 8! equals?

Find the measure of angle 6

What would N be in this problem 9=8n

Evaluate a (a-b); use a=3, and b=1

Jared has a bag that contains 8 blues marbles, 6 red marbles, and 10 green marbles. He selects a marbles, replaces it in the bag, and then selects another marble. What is the probability that both marbles are green. A. 5/72. B. 10/144. C. 25/144. D.

Chuck puts $900,000 into an account that earns 5% APR compounded annually how much money will chuck earn each year in interest

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.