6.8 is what i got for the answer
5 would be the dependent variable because the number 5 depends on how many greeting cards are bought.
The number 8 is a multiple of 16, 2 x 8 = 16 . And the number 8 + 10 = 18
So, I would think it's 8.
Hope I was able to help you. :-)
D. 48 degrees
on calculator: 2ND SIN (72/97) = about 47.92
-8/5x is the slope of the line.
