In ΔRST, the measure of ∠T=90°, TS = 9, RT = 40, and SR = 41. What ratio represents the sine of ∠R?

How do you solve a question like this?

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question