Bob earns $9 an hour babysitting. One night he earned $47.25 for babysitting. How many hours did he babysit that night?

What is the solution to the proportion? 7/8=n/32 A. n=1.75 B. n=14 C. n=21 D. n=28

What is 11.3% of 460?

What is the pattern for this numbers 1/1000, 1/100, 1/10

This problem uses the Richter scale for the strength of an earthquake. The strength, W, of the seismic waves of an earthquake are compared to the strength, W_0, of the seismic waves of a standard earthquake.

Determine whether - 9x-3y2=6 represents a function of x.

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.