Answer:
339 units
Step-by-step explanation:
You simply multiply the perimeter of the original rectangle by three to get the perimeter of the new rectangle.
3
this is because

and
y
are all separate variables (also

combines into one variable)
Vertical angles are equal and supplementary angles add to 180 degrees
Answer:
24 i think
Step-by-step explanation:
I evaluated using he given value
Answer:
B: -16
Step-by-step explanation:
Plug the variables in accordingly. 3(-2)(4)+2(4)
-6(4)+8
-24+8
-16