The law of cosines states that, if
is the angle between sides b and c,

So, plugging our values, we have

This is equal to

You'd want to set away about $39. Because $2000/52 weeks in a year= $38.46 a week.
$20 2 1
------ = ----- = ----
$40 4 2
Which of the four given answer possibilities seems best to you when you have the above equation of ratios in mind?
Answer:
x=1.3
Step-by-step explanation:
hope this helps mark brainliest Please
The answer is 18.
I hope this helps :D