Answer:
The answer is A parallel
Step-by-step explanation:
I put this in a graphing calculator
Answer:
16x+120=Total savings
Step-by-step explanation:
the 16x represents how much money you earn the x is the number of weeks you did the homework and the plus 120 is the base
Given:





To find:
The variance. of combined set.
Solution:
Formula for variance is
...(i)
Using (i), we get




Similarly,




Now, after combining both sets, we get




Therefore, the variance of combined set is 15.4.
I don't think I fully understand what you mean.