Answer:
1587.6 m²
Step-by-step explanation:
where b is the base length and h is the height (b and h on the triangle will always be perpendicular to each other)
Plug in 75.6 m as b and 42 m as h

I hope this helps!
Answer:
$1.37 (1.368333)
Step-by-step explanation:
6 divided by 8.21
Answer:
7 and 9
Step-by-step explanation:
The answer is (3,2). I did this by drawing a graph, inserting the two midpoints you provided, and put in each potential midpoint, finding (3,2) is the only midpoint that connects to the line.