A student figures his chance of passing a history exam is about 0.9 if a question on the origins of the First World War appears. Otherwise his chances of passing is only about 0.7. He thinks there is a 0.6 chance that the question will appear. What is the probability of passing the exam?

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!