To determine the hypotenuse, use the formula a^2 + b^2 = c^2.
Place 80 as "a" and 39 as "b". Your formula should look like 80^2 + 39^2 = c^2.
Next, plug this into your calculator to get 7921. Then square root 7921.
Answer: 89
D because it is the only one that is unpredictable
15,000/30,000
0.50
50%
Hope this helps!
Answer:
The answer is 55 6/9, but when simplified, it is 55 1/3