Meg started her trip with 11 1/2 gallons of gas in her car's tank. she bought an additional 6 4/5 gallons on her trip and arrived back home with 3 3/10 gallons left. how much gas did she use on the trip?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)