Answer: The first one is Commutative Property
The second one is associative property
Step-by-step explanation:
Answer:
I think it's 5 or7
Step-by-step explanation:
hope it helps you
Answer:
$9
Step-by-step explanation:
The breakfast before tip costs x.
The tip is 20% of x.
The tip is $1.80.
20% × x = 1.80
0.2x = 1.8
x = 1.8/0.2
x = 9
Answer: $9
Answer:
The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.
Step-by-step explanation:
A confidence interval has the following format.

In which
is the mean of the sample and M is the margin of error.
In this problem, we have that:



The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.
Domain (the range of x values)
Range (the range of the y values)
Domain: (-9, 11)
Range: (-4, 6)