Answer:
The percent error is -2.1352% of Jocelyn's estimate.
Answer:

Step-by-step explanation:
Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.
B =
= 
D=dollars earned
T=time spent painting the fence.
(1,5) (2,10) (3,15)
D=5T
Answer:
x^2+8x
Step-by-step explanation:
instructions included above :)