In two significant figures it is 0.067.
Answer:
12.48 gallons
Step-by-step explanation:
Subtract the starting amount from the ending amount
18.18 - 5.7
and get 12.48
Answer:

Step-by-step explanation:
Given;
x² - 2x - 1 = 0
Solve by completing the square method;
⇒ take the constant to the right hand side of the equation.
x² - 2x = 1
⇒ take half of coefficient of x = ¹/₂ x -2 = -1
⇒ square half of coefficient of x and add it to the both sides of the equation


⇒ take the square root of both sides;

Therefore, option B is the right solution.
(-1,1.5) because you add both ys and both xs then divide by two to find the middle