Which of the following is a polynominal? A x^4-2 B 1/x + 2 C x^-2 -1 D (x^6 -4)/ (x^-5 +1)

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

A+b= 17, ab=70, find the value of |a-b|

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?