!please help 1] Bonnie is buying protein bars from the health food store. The table below shows the total cost of the protein bars based on the number of bars bought.

Which of the following represents the rate of change?

answer choices-
a] 135
b] 2.7
c] 13.50
d] 1.35

How far is x from 5 on a number line?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?