Answer: c
Step-by-step explanation: The answer is c because t affects the amount of money sold each day so if there were less tickets sold less money would be made and if more tickets were sold more money would be made.
Answer: Hi!
Answers B and D are correct.
For B, since negative numbers are on the left side of the number line, a positive number would have to be to the right of a negative number. Since we are adding a negative and a positive number of the same absolute value (9), they would cancel out to 0, which makes D true.
Hope this helps!
Answer:
$19.136
Step-by-step explanation:
if 100% ----> $16.64
then 115% ----> $19.136
hope this helps :)
Answer:
She forgot to flip the inequality sign when dividing both sides by -4
Here is dependence between scores and x-values:
where 
is the mean, 
is standard deviation and i changes from 1 to 2.
1. When i=1, 
then
2. When i=2, 
then
Now solve the system of equations:
Subtract first equation from the second:
Then
Answer: the mean is 62, the standard deviation is 20.
