Jean received grades of 75% and 65% on her first two tests. What does she need to score on
the next exam to have an 80% average on all
three tests?
a. 85
b. 90
c. 95
d. 100

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.