Answer:
18m+20
Step-by-step explanation:
9m(2)+10(2)=18m+20
The answer is B, because it all goes in order so no need for parentheses
The answer to your question is 83
X = length of shortest side
Therefore the remaining sides will be x +2 and x + 7
x + x + 2 + x +7 = 45
3x + 9 = 45
3x = 36
x = 12
x + 2 = 14
x + 7 = 19
The sides are 12, 14, and 19 cm. long. Hope this helped!
Your answer is C!..........:)
