897+450+328= 1675
(Not sure if this is a joke?)
Answer:
<h2>x = -1</h2>
Step-by-step explanation:

I believe the answer is 21. I can tell you how I got the answer if you want.
Answer:
74.2%
Step-by-step explanation:
I said 72/.97 and then I rounded to the nearest tenth.
<h3>
Answer: 1/2</h3>
The midsegment is always exactly half as long compared to the side it's parallel to.
Put another way, the longer side (4x+20) is twice long as the midsegment (3x).