The first group will have 51 and the second will have 17 student
Is it M(5,-3)
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Area =a*h/2
Area = 3x*8/2
Area = 12x
Perimeter =a+b+c
a= 8
b=x+9
c= 4X-3
Perimeter =(8)+(x+9)+(4x-3)
Perimeter =8+x+9+4X-3
Perimeter =5x+14
Answer: 12x; 5x+14
He's incorrect, it is rounded to 99,000. 4 or less, leave the mess.
The square root of 16=4, 4x2=8, x2=8.