Use the special right triangle to evaluate sin 60°, cos 60° and tan 60°. your answers should be exact (not a decimal).
a. sin 60 = 1/2, cos 60 = √3/2, tan 60 = √3/3
b. sin 60 = √2/2, cos 60 = √2/2, tan 60 = 1
c. sin 60 = 1, cos 60 = 0, tan 60 = undefined
d. sin 60 = √3/2, cos 60 = 1/2, tan 60 = √3

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

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?