Martin went to a mechanic to get some work done on his car. The mechanic charged a base fee of $80 and $35 for every hour of labor he spent working on it. Which equation can be used to find y, the total amount Martin owes the mechanic after x hours. A. y = 80x + 35

B. y = 35(x + 80)

C. y = 35x - 80

D. y = 35x + 80

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)? a. 9x^8 + 5x^7−4x^4 b. 3x^8 + 7x^7 c. 12x^8 − 2x^4 d. 5x^8 + 5x^7 + 4x^4

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.