School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. How many chaperones must there be for 80 students?

A: 6 chaperones

B: 40 chaperones

C: 3 chaperones

D: 7 chaperones

A number n is 5 more than 12

The running time for movie a is 40 minutes more than twice the running time for movie b. if the running time for movie a is subtracted from triple the running time for movie b, the result is 45 minutes. find the running times for each movie.

How do i work this out 15+6/2+9*3

Factor 6x^4 - 5x^2+12x^2-10 by grouping. what is the resulting expression?

Use the substitution method to solve the system of equation. choose the correct ordered pair. 2 x+3y=29 x=4

10.5% of 238 also need to estimate as well.

Simplify 7x+42/x^2+13+42

Find the number if 12% of it is 10% of 6

A can holds 3 tennis balls. A box holds 4 cans. A case holds 6 boxes. How many tennis balls are in 10 cases?

How to solve for x was crying out and she