Answer:
9x-1
Step-by-step explanation:
The perimeter of the triangle is adding up all 3 sides.
(3x)+(x+6)+(5x-7)=P
9x-1 = perimeter
All I have done is combine like terms.
If there is a... x = something, replace x with the number.
I would go with 3 options
Answer:
D
Step-by-step explanation:
the highest real number stops at 4, which means all the sets of real number are less than 4.
