Answer:
I think it is 2 hours
Step-by-step explanation:
because if you have a whole 3 more hours of work you will get 900 bricks layd and if you minus a hour it might be free srry if it is wrong im kinda dumb
Ummmmmmmmmmmm your picture inst showing
Given:
Radius of the circle = 10 in
Central angle of the sector = 45 degrees
To find:
The area of the sector.
Solution:
Area of a sector is
Where, 
is the central angle in degrees.
Putting r=10 and 
, we get
Therefore, the area of the sector is 12.5π sq. inches.
Answer: The car can travel 225 miles on 6 gallons of petrol.
you basically want to get x on it's own to find out what it equals so,
multiply both sides by 9:
x+2 = 45
take away 2 from both sides:
x = 43
