At 9: 30am, sean started filling a swimming pool. at 11: 30 am he had filled 1,800 gallon. at what time will the pool be full? (4,500 gallon capacity)

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items