Answer:
C is answer I think 0, because
84= 7(6+a)
84= 42 +7a
84-42= 42-42 +7a
42= 7a
42/7= 7a/7
6= a
-84= -6( p+6)
-84= -6p -36
-84+36= -6p -36+36
-48= -6p
-48/-6= -6p/-6
8 =p
A ∩ B = {2, 4} [intersection (∩) means the common terms]
the answer is 2
there are 13 days, 6x2=12. so the answer is 2.
Answer:

Step-by-step explanation:
(7 , -1) = (x1 , y1)
(9 , -9) = (x2 , y2)
distance formula = 
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