Find the y-intercept and graph the equation y=15x

1/3m - 1 - 1/2n when m equals 21 and n equals 12

At the candy store there are 2,369 jelly beans in a jar. One - fourth of the jelly bean are green. About how many are green?

What is the equation of the following line (4,-3) (0,0)

State the first 3-digit multiple of 7

To control an infection, a doctor recommends that a patient who weighs 92 pounds be given 320 milligrams of antibiotic.

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.