Answer:
45
Step-by-step explanation:
Substitute 5 for both y values
4 x (5) + (5)^2
Answer:
I am pretty sure its A.
Step-by-step explanation: I can't explain right now, I got to go, but I'm pretty sure.
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)
Well, 340/8=42.5
So you're pumping 42.5 gallons per minute.
42.5×20=850
It pumps 850 gallons in 20 minutes.