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frank is surveying shoppers about their use of the new food court in a mall. which question in his survey is a statistical question?

a. how many hours do you spend at the food court each month?

b. where is the food court located in the mall?

c. how many restaurants are there in the food court?

d. who is the manager of the food court?

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.