Adrian makes 10 bracelets and Jennie makes 5 bracelets. They both use the same number of
string colors. How many colors should they use
to make the same amount of money?

Change negative exponents to positive, then solve

Which is the value of this expression when p=3 and q=-9

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?