Answer: c) 2x² - 2x + 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
We need to find the value of x so that the value of given function becomes 21 .
We have ,

Now , for finding x ,
An equilateral triangle has 3 equal sides and angles. Each angle is
60 degrees.
Answer:
19.8839 miles away
Step-by-step explanation:
:)