(SOMEONE HELP ME, NO LINKS)

What is the value of (5 2 -10) divided by 5 x 2 3?

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

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base