Select all the expressions that are equivalent to x2+4x. (^2 means raising something to the 2nd power.) Group of answer choices

x(x+4)

(x+2)^2

(x+x)(x+4)

(x+2)^2-4

(x+4)x

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

Chose the graph below that represents the following system of inequality’s

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2