B, im hundred percent sure its right
The answer is 2.686, and i am writing these extra characters to pass the 20 character qualifications.
Answer:
x²-2x-99
Step-by-step explanation:
(x-11)(x+9) - foil method
x times x = x squared
x times 9 = 9x
-11 times x = -11x
-11 times 9 = -99
x squared + 9x + 11x + -99
x squared-2x-99
Answer:
The firstgear needs to make five revolutions in order for the marks to line up again.
Step-by-step explanation: