This should help you on how to get the zeros and the answer for the bottom question is A
This answer is Y=-1/2x+11 I believe
The formula for arc length is s=r*angle theta where s is the arc length, r is the radius, and angle theta is central angle formed by the arc in radians.
In this case, the angle would be s/r or 4.2/4 which is 1.05 radians. We have to convert this into degrees and so you would multiply 1.05 by (180/pi) which results in approximately 60 degrees. Remember, if you want to convert radians into degrees, the conversion factor is 180/pi and for degrees into radians, it is pi/180.
Answer:
$23.54
Step-by-step explanation:
12.95+2.76+7.83=23.54
