Answer:
-6
Step-by-step explanation:
-3 + (-4) 4 + (-3) is -6 I hope that helps because that what I got
For 13 a 0 degree line is a straight line
-4/3
Explanation: All parallel lines have the same slope
Answer:
16pi
Step-by-step explanation:
144pi is the area of the whole circle
(360 - 320)/360 = 1/9
144*1/9=16