Equilateral, Scalene, Isosceles, Right, acute, obtuse .
Yes cause they are the same degree.
Answer: The answer is (D) 
Step-by-step explanation: Given that there is a rectangle, where length of the rectangle is given by

and width of the rectangle is given by

We are to find the perimeter of the rectangle. To do so, we need to add two times length with two times breadth of the rectangle.
Therefore, perimeter is given by

Thus, the correct option is (D).
I don’t know why the word “million” is there, but the incremental cost per unit of the secon hundred units is $30 per unit.
The tax is $1.253 hope this helps!