Answer:

Step-by-step explanation:
To add fractions <em>with the same denominator</em>, simply add the numerators:

So:

There is one solution that the intersecting lines have cause two solution doesn't have the same slope.
Answer:
21.99
Step-by-step explanation:
This is simple just times 3.14 and 7 to get 21.99
Answer: amplitude is 5 and Period is pi/2
Step-by-step explanation:
yes ♀️