In which number does the digit 2 have a value that is ten times as great as the value of the digit 2 in the number 135,284?

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!

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

Write the equation of the circle centered at (10,-2) with radius 2.