Select all the irrational numbers from the list. A. /16
B. /7
C. 813.1
D. -9
E. 8.070070007...

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?