Answer:
The solution in the attached figure
Step-by-step explanation:
we have

we know that
The solution of the inequality is the shaded area below the dashed line of the parabola
The equation of the dashed line is the vertical parabola 
therefore
The solution in the attached figure
A) 49x^2
Because:
(7x-10y)^2 = 49x^2 - 140xy + 100y^2
I believe the answer is b
Answer:

Step-by-step explanation:
<u><em>The correct question is</em></u>
Mia paints interior walls at a rate of 12 m^2/h. At what rate does she paint in cm^2/min?
Remember that


Convert m^2/h to cm^2/min
substitute the values
