Profit, P:x), is the difference between revenue, R(x), and cost, (a), so P(-) = R(x) - C.). Which expression represents P(x), it R(x) = 27° -3 2.c 1 and (c) = r' - 2? +2.c + 3?

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!