Which of the following could be a horizontal cross-section of a cylinder? a. hexagon, b. triangle, c. circle, d. octagon

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

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts