varies directly means 
inserting y = -18 and x = 3 ⇒
⇒ -6 = k
next, insert k = -6 into the varies directly equation and solve for y. y = -6x
Answer: C
Answer:
1. x = 3i square root of 3 , x = -3i square root of 3
2. x = -2 3i , x= -2 -3i
Answer:
5/6
Step-by-step explanation:
1/3 x 2/2 = 2/6
1/2 x 3/3 = 3/6
2/6 + 3/6 = 5/6