1. To find the degree of the polynomial find the variable with the highest exponent, in this case is y^4 which means the degree of the exponent is 4.
2. 1, 2 and 3 are polynomials because there are more than one terms in the expression.
3. It would be a quadratic trinomial.
4. It would be a cubic binomial.
Its math just use a calculator or something
The value of the expression
is 
<h3>How to evaluate the sum?</h3>
The attachment represents the proper format of the question
The summation expression is given as:

Expand the radicands

Evaluate the square roots

Add the like terms

Hence, the value of the expression
is 
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I think C would be for number 11
A is for 12.
x/2 < - 18
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Among the choices the function equation represents the total cost to rent a meeting room for d day is letter A which is <span>c(d) = 250d + 30</span>