Select the correct answer.
simplify the expression. what classification describes the resulting polynomial?

(x2 + 7x) + (2x2 − 7x)

a.
quadratic monomial
b.
quadratic binomial
c.
linear binomial
d.
linear monomial

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field