Answer:
Step-by-step explanation:
2x - 2 = - 200
Bringing like terms on one side
2x = - 200 + 2 = - 198
2x = - 198
x = - 198/2 = - 99

We know that
and 
Substitute in the value. 
Use a calculator to multiply. 
Answer:
Step-by-step explanation:
the first one cant be a triangle
im pretty sure the second one can
the third one can
im pretty sure the fourth one cant
Answer:
One point
Step-by-step explanation:
Answer:
the answer is 5/2 or alternative form 2*1/2 so the answer is C