Leah prefers babysitting over working at the ice cream store. out of 20 total hours, what is the maximum number of hours she can babysit to be able to earn at least $120 per month?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)