Please help for a brainlist ;)) Determine the written expression that would model the given equation:

y=20x+50

Question options:

A. Sally joins a gym. Her initial membership fee is $50 and she pays $20 for each month that she is a member.

B. Jackson purchased a cell phone for $20. For each month, he pays $50 for the cell phone service.

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?

Twelve less than a number is at most 20

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120