X plus y = 0

x - y plus 2 = 0

Bo and Erica are yoga instructors. Between the two of them, they teach 33 yoga classes each week. If Erica teaches 15 fewer than twice as many as Bo, how many classes does each instructor teach per week?

Alvin's family used 20.5 gallons of gas to Drive 492 miles. How many miles did they drive on each gallon of gas

48oz sprite for $1.39 or 32 oz dr. pepper for $0.89?

There are 126 seats in a meeting room. There are 9 seats filling up each row. There are 90 people seated, filling up full rows. How many rows are empty? Answer the question with steps or you will not get brainliest.

You roll a 1-6 number cube twice. What is the probability that you roll a 3 on the first roll and a 6 on the second roll?

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.