In a class of 80 students, 42 received a grade of a. what fraction of the class did not receive an a? reduce to the lowest terms.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points