Help! I’ll say it’s the brainliest answer

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Find the quotient. 50a2 – 98b2 -5a +7b

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?