Step-by-step explanation:
is this a quadrilateral? or polygon or triangle?
what are the angles (I believe there should be at least an angle given) else PC can be any value that is positive
Answer:
-31
Step-by-step explanation:
(-4)-3(3)^2
-4-3(9)
-4-27=-31
Answer:
490
Step-by-step explanation:
546-56= 490
490+56= 546
Your answer is x = 78! Hope this helps!