629,999 =630,000. Nearest hundred
Hmm....
I know that the first answer is a coin, but I'm not too sure about the second one.
<h2>
Answer with explanation:</h2>
Let
denotes the sample proportion.
As per given , we have
n= 200

Critical value for 99% confidence : 
Confidence interval for population proportion :-

Hence, a 99% confidence interval for the proportion of all individuals that use Firefox: 
The lower limit on the 99% confidence interval = 0.085
Its -7
use https://www.symbolab.com/solver/algebra-calculator
Step-by-step explanation:
5x - 5° = 40° ( being vertically opposite angles)
5x = 40° + 5°
5x = 45°
x = 45°/ 5
x = 9°
Now
< 1 = 5 * 9° - 5 = 45° - 5° = 40°
Hope it will help :)