Yayorozu needs to take all that money and get her injections out shes 15

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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!

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?