Answer:
SA=120 m^2
Step-by-step explanation:
SA=(9x5)+(3x4)+(9x4)+(9x3)
SA=120
Answer:

Step-by-step explanation:
<u>Given:</u>

<u>Substitute:</u>
into 

<u>Swap the sides:</u>
<u />
<u>Divide both sides of the equation by the coefficient of variable:</u>
<u />
<u>Cross out the common factor:</u>
<u />
<u>Find the equation of the function:</u>
<u />
<u>Substitute:</u>
<u />
<u>Calculate the product or quotient:</u>
<u />
I'm pretty sure it's -4x.