Acar is at a distance s, in miles, from its starting point in t hours, given by s(t)=10t^2 a).find s(2) and s(5). b).find s(5)-s(2). what does this represent c).find the average rate of change from t=2 to t=5. this id the average velocity

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?