Of 13 possible books, you plan to take 3 with you on vacation. how many different collections of 3 books can you take?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Jim had 15 minutes to do 5 laps around his school what would his time be

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240