Alocal museum charges $25 per adult and $12 per child for admission fees. at the end of a day, the museum made $9,014 in total admission revenue, not including sales tax, and had a total of 450 guests. the system of equations below can be used to model the number of guests that were children, x, and the number of guests that were adults, y.

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

With number 11 ( show how you got the answer)

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25