How many solutions are there to the following system of equations?

5x 3y=7

2x-y=2

Round to the nearest hundredths 19.345

Lily took 57 seconds to walk from classroom to library. If the distance between the classroom and library was 38m, at what average speed did Lily walk in m/min?

Genna painted a table top that is shaped like a circle. the circumferance of the tabletop is 6 feet which measurement is closest to the area of the tabletop in square feet?

If you roll a die 8 times what is the probability that you roll a 6 exactly 5 of those times?

12 (3-2x) = 84 solve for x.

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.