Answer:
The first plan of $49 will be best plan for her.
Step-by-step explanation:
Katherine used 1479 minutes call in the last 6 months.
So, the average monthly call that Katherine made is
minutes.
Now, there are two plans for mobile recharge.
One is 250 minutes call time for $49 and the other is 350 minutes call time for $65.
Since 246.5 < 250 and Katherine does not want to spend more for minutes she won't use, then the first plan of $49 will be the best plan for her. (Answer)

Recall that


Your sums start at
, so in order to apply these formulas directly, you need to compensate for the missing first two terms:



A^2 +b^2 =c^2
c^2 will be your hypotenuse
Hope that helps
Answer:
Step-by-step explanation:
A is 1/4 of B
Volume of A = 1/4 of volume of B
= 1/4 × 64
= 16m^3
2 meters and 20 centimeters =2200 millimeters
millimeters are smaller than centimiters and meters so how is is 40 when 2 meters are 2000 millimeters and 20 centimiters are 200 millimeters