The winning car in a race traveled the race distance of 450 miles at an average speed of 120 miles per hour (mph). the car finished the race in 3 hours and 45 minutes. the last car to cross the finish line took 4 hours and 30 minutes. what was its average speed?
a. 104.7 mph
b. 100 mph
c. 112.5 mph
d. 90 mph

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Which system of linear inequalities is represented by the graph?