A diver jumps off a diving board. The diver's height above the water, in meters, is represented by the function h(t)=-49t^2+1.7t+25, where t is the number of seconds since the diver jumped. How high above the water is the diver after 2 seconds? How high above the water is the diver after 3 seconds?

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

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?