Stacy is watching an airplane that is 6 miles away from her and 4 miles above the ground. how many degrees above the horizontal must she look up to see the plane?

(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 .

How do you find the circumfrance of a circle?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?