What is the solution to the problem 8/16 = x/10 1. x=10 2. x=5 3. x=12.8 4. x=80

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)