North america burned 4.5 x 1016 btu of petroleum in 1998. at this rate, how many btu's will be burned in 9 year?

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.

What is 1/2 x (6 x 4)+3 + 2 show your work

Which ahows the graph of the solution set of 6x+4y< 12