What is 74 1/8 + 4 5/12

Suppose a railroad rail 2 kilometers in length expands 16 centimeters on a hot day. How many meters would the center rise above ground?

How do you solve this equation 7-6x=41

Jamila babysat nine times. She earned $15, $20, $ 10, $ 12, $20, $16, $80 and $18 for eight babysitting jobs. How much did she earn the ninth time if the mean of the data set is $24?

3 equivalent ratio for 21:56

You are drawing a map of your school and want to make sure all the measurements are accurate. You decide to use a scale of 1 cm = 3 feet. In your drawing, the main hallway ends up being 16 cm long.

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.