Which two-dimensional figure is formed when a right rectangular pyramid is sliced by a plane through the pyramid's vertex and perpendicular to the pyramid's base?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

(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 .