Which expressions are polynomials?

select each correct answer.

y^2−y√3+4

2x^4−y

6 + w

z + 1

what is the degree of the polynomial 3xy^2z−2z^5+2/3y2^z^4 ?

2

4

5

6

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

What is the slope of the equation y =