Which ordered triple is a solution of the following linear system? :
3n = -18
3m - 2n + 4p = 12
2m - 4n = 16

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x