Answer:
Step-by-step explanation:
yes
yes because its a decimal and positive
Answer: See attached picture
Step-by-step explanation:
<h2>1)</h2>

This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.

<h2>2)</h2>
Well he started off correct to the point of completing the square.

Answer:
n=3/2
Step-by-step explanation:
Answer: 5 Miles in one hour
Step-by-step explanation:
If you're able to bike 20 miles in 4 hours, all you have to do is divide it by 4.
20 divided by 4 = 5
So, you're able to ride 5 miles in one hour.
Your answer is: 5 Miles in one hour