Answer: A <em>plane </em>
This needs to be 20 characters long so this is ok
Answer:

Step-by-step explanation:
we know that

In this problem we have

substitute the given value in the formula and solve for F




These lines are perpendicular because y = -6 is a horizontal line with a slope of 0 and x = 6 is a vertical line with an undefined slope
Answer:
$16.50
Step-by-step explanation:
Multiply 11 by 12
Then times the amount you get from multiplying 11 and 12