Jeff spends $2.52 per gallon of gas and buys 14 gallons. anna spends $2.16 per gallon of gas and buys 15 gallons. how much more does jeff spend than anna on gas?

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2