Can someone help me please

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?

If i want to read a 124-page book in 3 weeks how many pages would i have to read each day?

An object moves according to the law s = t2 + 5t - 8. what is the exact rate of change of s with respect to t when t = 1.5 seconds? a. 1.75b. 8c. 9.5d. 8.5