The ratio of oil to vinegar in cheif pierre's salad dressing is 7 to 4. how much vinegar should chef pierre combine with 32 fl oz of oil

18 fl oz

Step-by-step explanation:

Oil : Vinegar

7x       4x

Oil: (7x) = 32

          x =

Vinegar: (4x) =

                      =

                      = 18

c is the final answer! : )

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.