Aroom is 16 feet, 8 inches long. if an inch is approximately 2 centimeters, how long is the room in centimeters?

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