The width of a rectangle measures (3s+t) centimeters,and it’s length measures (3s-9t) centimeters. Which expression represents t
he perimeter,in centimeters of the rectangle ?
1 answer:
Answer:
12s - 16t
Step-by-step explanation:
2(3s + t) + 2(3s - 9t)
6s + 2t + 6s - 18t
12s + 2t - 18t
12s - 16t
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3×9=27-2=25
3× what # - 2= 25
Answer:
y= -10x +12
Step-by-step explanation:
It is 6 was not multiplied by 3
The answer should be 6(m+3)= 6m+ 18
