Simplify 8 (r-4s) - 2 (9r-9s)

One month kris rented 3 movies and 8 video games for a total of $53. the next month she rented 5 movies and 2 video games for a total of $26. find the rental cost

What is the x of x^2-7x-30=0

Find the volume of a rectangular block of ice 3 feet by 6 1/3 and 1 1/2 feet

Lisa spun a tri-color spinner twice. what is the probability that the spiner landed on the the colors blue and green in any order

Solve the system of equations y=2x^2-3 y=3x-1 No solution (-1/2,5), (2,-5/2) (-1/2,-5/2), (2,5) (1/2,5/2), (2,5)

Divide and round to the nearest tenth55.62 / 8.8 does 8.8 turn into 9 and does 55.62 turn into 56? rounding off confuses me : - ' (ugh!

What polynomial should be subtracted from 7x^2-6x+5 to get the difference equal to x^2-x.

Hi how are you how do i get the answers for my self because i am a teacher and get just the test with out the answer on them for the students

Line A is perpendicular to Line B. If the slope of Line A is - 5/8 what is the slope of Line B?

Ellen Newman has an income of $18,150 and claims 5 exemptions. The amount allowed for each exemption is $1,000. Her state tax is 5%. How much state tax must be withheld this year?