Graph - 1/2x+1/8y=3/4

Tomas bought 3 software apps and 2 e-books for a total of $21. The two e-books cost $12. If s represents the cost of each app, the total cost of all 5 items is represented by 3 s + 12 = 21.

A Coach divides 24 athletes into equal groups for a practice drill. Each group should have at least 3 athletes but no more than 5 athletes. what are the possible group sizes?

Which expression is equivalent to 5x + 4 - x - 2 a. 4x + 2 b. 4 + 4x c. 4x d. 4x + 6

If the odds of Bruno Mars next album reaching the top spot on the billboard 100 is 2:7, what is the probability of Bruno Mars next album not reaching the top spot on the billboard 100?

Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc she needs? A. 1000:3000 B. 1000*3000 C. 3000:1000 D. 3000*100

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.