Triangle abc has coordinates a(1,-1), b(0,2), and c(2,1) and it is reflected over the line y = -x to form triangle a'b'c'. what are the coordinates of triangle a'b'c'?
answer in complete sentences for brainiest!

(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 .

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.