3x-y=16

2x-y=12

substitution method

What's the answer to 15n-19n

Increased demand for a product or service will usually result in lower prices for the item. a. True b. False

Last year, Melanie drove 1,200 miles on vacation, 8,850 miles to and from work, and 5,600 miles doing other activities. How many miles did Melanie drive in all? Which clue word (s) tell you to add?

The mean of a set of data is 45 years. Find the missing numbers in the data set {40, 45, 48,?, 54,?, 45}. Explain the method or strategy you used.

Solve for x 5 x (-2) = - 8

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.