Which of the four graphs shown below have a domain of all real numbers? (Check all that apply) *

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)