What's the mean of 18 23 10 39 22 17 16 15

3A to the 4th power b to the - 2 power and c to the 3rd power

A bird b is spotted flying 5,000 feet from a tree. An observer spots the bird at a distance of 13000 feet. What is the angle of depression from the bird to the observer

Rewrite in simplest rational exponent form √x • 4√x.

A person can read 48 pages in 5/4 of an hour. How many pages can they read in one hour

Prove that the sum of 2 even integers is an even integer

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.