Find the value of the trigonometric ratio to the nearest ten-thousandth

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?