Aset of test scores is normally distributed with a mean of 80 and a standard deviation of 4.5 what percent of the score were below 71
a) 2.35%
b) 13.5%
c) 2.5%
d) 16%

What is always true about a positive integer raised to a negative odd power?

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Write the percent as a fraction or mixed number in simplest form. 0.8%