Answer:

Step-by-step explanation:
Average length 
Standard deviation 
Sample size 
Generally The point estimate for the mean length of all bolts in inventory is


Answer:
Step-by-step explanation:
5x + 2 = 4x - 9
Collecting like terms
5x - 4x = -9 - 2
x = -11
Answer:
Step-by-step explanation: it is negative 42 it is just the opposite cause the thumbs is down negative up positive
Answer:
Pretty sure it's "only i"
Step-by-step explanation:
A constant rate of change means that something changes by the same amount during equal intervals.
$30 is the same amount whereas 10% could vary.
Hope this helps.