An escalator lifts people up to the second floor of a building. 30 ft above the first floor. The escalator rises at a 30 degree angle. To the nearest foot, how far does a person travel from the bottom to the top of the escalator?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?