
We have two points:

The point slope form of the line:

Substitute


Answer:

7. subtraction property
division property
8. subtraction property
multiplication property
9. distribution property
addition property
division property
10. distribution property
combine like terms
addition property
division property
11. combine like terms
distribution property
subtraction property
subtraction property
division property
Answer:
When we know all 3 sides, we use Heron's Formula
area = sqrt [s *(s-a) * (s-b) * (s-c)]
where "s" is the semi-perimeter which in this case equals
s = (6 + 8 + 12) / 2 = 13
area = sqrt [13 * 5 * 7 * 1]
area = sqrt 455
area = 21.3307290077
area = 21.33 square feet (rounded)
Step-by-step explanation:
Step-by-step explanation:
THE ANSWER IS C. 31 INCHES
X/4 - 3
(*make sure to write the division in fraction form as shown for algebraic notation)