If a student scored 75 points on a test where the mean score was 83.5 and the standard deviation was 6.1. the student's z score is round to 2 decimal places.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Which of the following three dimensional figures has a circle as it’s base