Look at the stem-and-leaf plot of scores on a science test. How many students scored more than 70 but less than 80?
A. 3
B. 6
C. 4
D. 9

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?