Answer:
A) 
Step-by-step explanation:
The equation of a circle is
where
is the center and
is the radius. If
and
, then:

Therefore, the equation of the circle is 
Answer:
10 hours
Step-by-step explanation:
320 = 30x + 20
300 = 30x
x = 10
Answer:
im not entirely sure how to help you
Step-by-step explanation:
can you be more specific?
1 yd equals 3 feet. 1 yd equals 36 inches.
Answer:
The GDP gap is 9 % when there is 4.5 % unemployment.
Step-by-step explanation:
The statement shows a reverse relationship, where an increase in unemployment is following by decrease in potential GDP and can be translated into the following rate:

The GDP gap at a given increase in unemployment can be estimated by the following expression:


Where:
- GDP gap-unemployment increase rate, dimensionless.
- Increase in unemployment rate, measured in percentage.
- GDP gap, measured in percentage.
If
and
, the GDP gap is:


The GDP gap is 9 % when there is 4.5 % unemployment.