If a bus travels 20 km in 30 minutes. what is the average speed of the bus?
a. 20km/h
b. 30km/h
c. 40km/h
d. 50km/h

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row