Two companies sell shirts. Shirts-R-Us charges a shipping fee of $50, and each shirt costs $4. We-Sell-Shirts charges a shipping fee of $25, and each shirt costs $9. How many shirts must each company sell for the costs to be equal?

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

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?

Can someone me do math because i am having a breakdown rn because i don’t get it