Anita had $400 in her savings account when she went to college. Her parents will add $200 to her account each month. Miguel had $25 in his savings account. His parents will double the amount in his account each month.

If Anita and Miguel do not take any money from their accounts, whose account will grow faster? Explain why.

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?

According to the data set, where should the upper quartile line of the box plot be placed?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?