Is 1/4 bigger than 3/5

What point is the projection of q on a) r b) s c) t

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6