Answer:
Step-by-step explanation:
Cost of one cup of coffee=$2
The original amount of money on the gift card= $30
Juan's expenses in buying coffee, after 
morning are 
.
The amount of money left, 
, on the card 
(Original amount) 
(Total expenses)
Hence, the equation for, , the amount of money remaining on the card is
Don’t know please help me get an A+
A-b
difference means subtract
Answer:
I would reject the null hypothesis because it falls outside of the 95% confidence interval.
Answer:
18
Step-by-step explanation:
90-80=10
10*2=20
20-2=18
