Answer:
none of them
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = 0.5 × base × perpendicular height
Here the base is BC and perpendicular height is AD, hence
Area of ΔABC = 0.5 × BC × AD
Answer:
I’m not sure. Sorry I need points
Well, Sally counts as 1 person, and if 4 others come, 4 + 1 is 5. So 5 people come to her party.
I hope this helps you!

hint: divisor is x-2 form, thus you can use syntheric division
Answer:
$780
Step-by-step explanation:
600*.30=180
600+180=780