Sina-cosa+1/sina+cosa-1 - 1+sinA-cosA/1-sinA+cosA=2(1+cosA)

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile

To increase her number of students, the instructor put a coupon in the local paper offering to waive the one-time fee for new students. what is the value of the coupon?

13 is the same as 1÷3. what is the exact quotient in decimal form of 1÷3?