15 ft = 180 inches
180/18 = 10
Therefore, each part is 10 inches long.
No x = -10 cannot be an input value because the x is the number of students , which can only be from 0 and above. You cannot have negative students.
Answer:
Since
, the superhero makes it over the building.
Step-by-step explanation:
The height is given by the following function:

Will the superhero make it over the building?
We have to find if there is values of x for which f(x) = 612.
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots
such that
, given by the following formulas:



If
, the polynomial has no solutions.
In this question:



We have to find 
We have that
. So

Since
, the superhero makes it over the building.
$771
The answer is below in the picture as well
Answer:
$207.66
Step-by-step explanation:
349x.7=244.3
244.3x.85=207.665
Rounded to the nearest 100th
207.66