Which sequence is modeled by the graph below? coordinate plane showing the points 2, 8; 3, 4; 4, 2; and 5, 1 an = one half(16)n − 1 an = 4(2)n − 1 an = 16(−2)n − 1 an = 16(one half)n − 1

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

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