4 times 7 = 28
3 times 7 = 21
It will take him 21 days to make 28 bird houses.
Refer to the pic above.
Concepts used :
1. Trigonometric Properties
2. Domain limitation
3. assumption
Answer:
Step-by-step explanation:
Given
The linear equation is 
The other linear equation parallel to the given line can be represented by

Here, c can take any value . for example c=1, line becomes

Answer: 11.4
Step-by-step explanation:
area of rect. = 24
area of circle (half circle+half circle = full circle) = pi*r^2 = pi*(2*2) = pi*4 = about 12.57
2 = radius since 4 = diameter
24-12.57 = 11.43
round = 11.4
The answer is B. slope 0 intercept -5