5388.33$ was last years salary increase
Answer:
-7
Step-by-step explanation:
-9-(-6)+(-4)
-9+6-4
-3-4
-7
Answer:
Average: 4
Standard Deviation: 0
Step-by-step explanation:
Because we don't know how each student did we are going to assume that they all got 20% of the questions right
20% of 20 is 4
Which means that we can assume each student got 4 questions correct
Because all entries are the same the standard deviation is 0
Step-by-step explanation:
Let x represent the number.
We have 2 + 2x = 12.
=> 2x = 10 (subtract 2 from both sides)
=> x = 5 (divide 2 on both sides)
Hence the number is 5.
Answer:
7n-12
Step-by-step explanation: