[ correction added, Thanks to @stef68 ]
Hello! 36 does not belong in the pattern. The pattern is multiply by 2, but 36 doesn’t belong, because half of it is 18 and 18 is not an option. The other numbers go together to make that pattern of multiplying by 2. The answer is 36.
Two planes intersect in a line..I think because planes are not lines
Answer:
90i
Step-by-step explanation:
18 * sqrt(-25) = 90i