On his first three tests, Justin scored 99, 93, and 86. What score must he get on his fourth test to have an average (mean) of

80 for all four tests?

Translate 3 times the sum of twice a number and 8.

What is the solution to the system of equations? y = 1/3 x - 10 2x + y = 4 (-8, 6) (-6, 16) (6, - 8) (16, - 6)

How to find two fractions between 3/5 and 4/5

What is an explicit equation for the geometric sequence: 48, 12, 3

3. Meagan is taking piano lessons and a gymnastics class. She has a piano lesson every 7 days and a gymnastics class every 3 days. How often does she have both on the same day?

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.