A city map uses a scale in which 2.5 centimeters represents 3 kilometers. The distance on the map between the post office and the library is 9 centimeters.
What is the actual distance between the post office and library in kilometers?
0.83 kilometers
7.5 kilometers
10.8 kilometers
22.5 kilometers

17 in long 1.3 ft wide and 8in high what is the volume

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b