Which situation shows a constant change of rate a number of tickets sold

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar