Answer:
addition property of equality
Step-by-step explanation:
This is because the addition property of equality means
if
then 
So if,
then 
Answer:
If the mean of four numbers is 7, we know that their sum is 7 * 4 = 28. We can use this information to find the last number. If the fourth number is x, we can write:
2 + 5 + 17 + x = 28
24 + x = 28
x = 4
The square root of 9 is 3
The square root of 11 is ?
The square root of 16 is 4
Between 3 and 4
6.25 hours of overtime.
17.00×1.5=$25.50 per hour
17.00×40=$680
839.38-680=$159.38
$159.38÷25.50=6.25