The swimming instructor has a list of 152 students who have signed up for swimming lessons. the swimming instructor can register 12 students in each class. what is the least number of classes needed for all the students to be registered in a class

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

5cakes cost 3.50 how much do 7 cakes cost