The small submarine is at –1,320 feet in relation to sea level. The submarine needs to be at 180 feet below sea level in 60 minutes. What does the average rate of ascent need to be?

Answer this question! 30 points and brainliest!

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.