Graph x-y=-3 it's really hard i dont understand how to graph it and i have to know how to check by plugging in!

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

What is the radical expression that is equivalent to the expression 27 1 over 5?

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!