Answer:
To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate.
Step-by-step explanation:
As an example, in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the unit rate.
Answer:
Option A
Step-by-step explanation:
22+(-32) is the same thing as 22-32.

<h3>Let's see if the given options are equal:</h3>
Option A:

Option A's expression has the same value as the expression given.
Option B:
22+(22)+(-10)

Option B's expression does not have the same value as the expression given.
Option C:

Option C's expression does not have the same value as the expression given.
Option D:

Option D's expression does not have the same value as the expression given.
<h3>The correct answer should be A: 22+(-22)+(-10).</h3>
Answer:
or 1.414
Step-by-step explanation:
1) Find the mean. 1+2+3+4+5 = 15. 15/5= 3
2) For each data point, find the square of its distance to the mean. (4, 1, 0, 1, 4)
3) Sum the values from Step 2. 10
4) Divide by the number of data points. 10/5= 2
5) Take the square root. 
You have to add the square root then do the division 54 is the answer
Answer:
7:17 PM
Step-by-step explanation:
Add another 30 minutes to 6:30 = 7:00 PM
47-30 = 17
add the remaining 17 minutes to 7:00 = 7:17 PM