Answer:
sorry I can only answer b.
3 sec = 36 feet
6 sec = 72 feet
9 sec = 108 feet
Amits reasoning is not correct. After 7 months of fees, he would have a negative representation. If there are 7 groups of -$5.75, than the answer would still be negative in the end. They are all negative.
Answer:
A (i'm not sure i might be wrong so just wait until another person answers)
812*913*1225 = 908161100cm^3
or 8.12*9.13*12.25 = 908.1611 m^3
1$0.8$0.8
2$0.625$0.625
The mean monthly water bill in Nashville, TN is $30, with a standard deviation of $2.50. The z-score corresponding to Natalie's TN water bill of $32 is
z=x−μσ=32−302.5=0.8
The mean monthly water bill in Philadelphia, PA is $45, with a standard deviation of $3.20. The z-score corresponding to Natalie's PA water bill of $47 is
z=x−μσ=47−453.2=0.625
