a racecar at the sonoma county raceway in california zips around the track. it travels the first 80 kilometers in .4 hour. the next 114 kilometers take .6 hours. the following 80 kilometers take .4 hours. Find the race cars average speed

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

The graph shown is the graph of which function?

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?