Y=33x proportional or not

A pair of equations is shown below: y = 3x + 1 y = 4x - 7 What is the solution to the pair of equations? (8, 25) (-8, 25) (-8, - 25) (8, - 25)

How many years make up a century? a. 10 b. 100 c. 1000 d. 10000

Alex and Jim have equal amounts of money. Each day, Alex spends $5 and Jim spends $3. When Alex has $8 left, Jim has 4 times as much money left as Alex. How much money does each boy have at first?

Find the least positive angle measurement that is coterminal with - 80 a) 282 b) 290 C) 285 d) 280

Katie has red 32% of a book if she has to read 80 pages how many more pages does Katie have left to read

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.