-7x + 3y > -1 5x - 9y > -6
Is (-1, 0) a solution of the system?

Me with this one question, and i'll upvote the brainliest answer

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!

Which of the following is the sum of 3 1/6 + 6 3/8?