Over which interval is the graph of f(x) = 1/2x^2+ 5x +
6 increasing?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.