What is the value of 3z when z = 1.2

Solve for x X^2+6x+9=20

Write radical expression in exponential form: 8 divided by 7th root of x to 15th power

Your best friend is about 21 and you want to send him a box full of Ping-Pong balls. you have a square box measuring 12 inches on each side and you wonder how many Ping-pong balls would fit inside.

when they said went to bed the outside temperature was 28 degrees Fahrenheit when you woke up the next morning the temperature had decreased by - 13 degrees Fahrenheit is how many degrees did the temperature changed overnight

47,276 to the nearest thousands=

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.