Convert 10/3 7/2 7/5 38/10 20/12 3/2 9/5 13/4 19/5 7/4 26/12 12/8 improper fractions to mixed numbers PLIS HELP ME

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?