He got 16 questions right (5x16=80) and 10 wrong (8x10=80) He got paid $80 but also had to pay $80.
line N has slope m = 
given a line with slope m then the slope of a line perpendicular to it is
= - 
thus line N has slope -
= 
Nancy has 54 pieces of paper, and is going to split them all between her and 5 friends. How many pieces of paper will each person receive?
2/1
Step-by-step explanation:
_1/3y=_1
y=_1+3/1
y=2/1