Answer:SEE BELOW
Step-by-step explanation:
Average the X and Y coordinates (X,Y)
X = (-8 + 8)/2 = 0
Y = (-9 + 3)/2 = -3
(X,Y) = (0,-3)
Answer:
M=a2-a1/b2-b1
Step-by-step explanation:
-3-a/-2-1
-4a/3
/-4/-4
a=3/-4
Mary worked 22 hours.
To solve first you would subtract the amount she made in tips from her total earnings (317-185)
= 132
Then you divide that answer by her hourly salary of $6 (132/6)
=22