PLEASE HELP DUE IN 15 MINUTES WILL GIVE BRAINLIEST!

Could someone with number 1 and 2

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

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%