Answer:
D. 81
Step-by-step explanation:
I think the attached photo supports for your question to be answered
Here is my answer:
Number of days: 30
Mean of the data set = (68 + 70*2 +74*2 +76*4 +78 +80*5 + 82*3 +84*5 + 88 +88*3 + 92*3) /30 = 81
The two plans don't fall directly on a same prive, but after 3 hours of Data usage plan B costs more than plan A
After three hours plan A= $18.60
While plan B after three hours =$19.09
That means 3 hours has to pass before plan B costs more, That is 180 minutes
The rule per hour is $1.2 per hour for plan A and $4.8 per hour for plan B
Answer:
A. 42
B. 3
Step-by-step explanation:
A. 30 - (2)(-6)= 42
b. (-3)^2 + (2)(-3)= 3
Answer:
D
Step-by-step explanation: