From the street, you drive down 6 levels in a parking garage. when you leave, you drive back up 6 levels. which expression represents the number of levels you are from the street?
1.) - 6 + 6
2.) - 6 - 6
3.) 6 + 6

Which is the next step in the following construction of an equilateral triangle? connect a and d with a straightedge connect c and with a straightedge. connect c and e with a straightedge connect d and f with a straightedge