79.50 x .06 = 4.77
79.50 + 4.77 = $84.27
The total cost was $84.27
Answer:
6 .Cant find the answer there
cos i had 3b( 9c +3a +c )
7. -3x -17y
Answer:
This is actually pretty easy just find the intersecting points from the lines
Number of solutions: 2
What are the solutions: (4,5) and (0,-3)
I got 27.5 for the mean
mean: you add up all the #'s and divide them my their quantity( in other words by how many numbers there are)
In your case you have 8 numbers, you add them and divide them by 8!
Hope it helps ;)
