To find the quotient of 3 divided by 1/6, multiply 3 by?

Restrictions on f(x) = 1/x+5 and g(x) = x-2

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Anyone know? will mark brainliest if correct