3 times a number h means what expression

9 = 90, 8 = 72, 7 = 56, 6 = 42, 3 = ?

Terry skated 2 miles in 1/2 hour. what is the unit rate that she skates

The weight of 6 math books is 13.5 pounds. What is the weight of 10 math books?

You're driving 65 miles per hour on the expressway. If you. Continue to drive at this rate for two and a half hours, how many miles will you travel?

One of the factors in a multiplication is less than 1. How does the product compare to the other factor?

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.