Well, the amount of degrees is 1,980, so plug that in so that the equation is 1980 = (n-2)180. Then, do order of operations. Divide 1980/180, which is 11. Then, just add 2. So, the polygon has 13 sides.
Shapes? We need to know how they look like in order to solve
The remainder of the polynomial equation is -49
<h3>What is a remainder of a polynomial equation?</h3>
The remainder of a quantity in an algebraic expression of a polynomial equation is the remaining amount of the quantity left and can not be divisible by the divisor.
From the given information, we are to find the remainder of the given algebraic equation:

Using the long division method, we have:

Divide by
, we have:

Divide by
, we have:

Learn more about finding the remainder of a polynomial equation here:
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Answer:
A. x<7
Step-by-step explanation:
The point at x=7 is an open circle, so the sign is <, not ≤
Answer:
choosing 1 white marble replacing it, and then choosing another white one.
Step-by-step explanation:
there is 50% chance you pick any of the blue or red marbles, but you have a higher chance to pick another white one if the first one you chose was replaced.