The table shows the pricing for four different types of gasoline. Which type costs the least per gallon?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.