simplify each expression 9 to the second power

Find the mean of the calories burned in the activities listed in the table. 110 450 474 600 802 Activity Calories Burned Per Hour Basketball 600 Bike riding 415 Doing homework 110 Jumping rope 678 Running 802 Swimming 600 Tennis 450 Volleyball 350

What two numbers have a GCF of 5 and a LCM of 50

Having trouble working out this math problem with my kid 101/4=25.25

Evaluating Expressions - evaluate each expression using the values given: 6q + m - m; use m=8 and q=3

The water level of a certain lake is at 35 feet. Due to recent storms, the water level is rising at a rate of 3 inches per day. How many days will it take the lake to reach a level of 40 feet?

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.