A bank loaned out $10,500, part of it at the rate of 5% annual interest, and the rest 4% annual interest. The total interest earned for both loans was 465.00. How much was loaned at each rate?

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?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

How can you find the mean absolute deviation (mad) for this set of data?