Answer:
Step-by-step explanation:
This can be simplified by combing like terms.
8x^2 and 15x^2 are like terms. Since both numbers are positive, we add them together.
The sum of 8x^2 and 15x^2 is 23x^2
I hope this helps.
8
5 + 6 + 12 + 7 + 8 + 10 + 8 = 56
number of value = 7
mean = 56 ÷ 7 = 8
Yes
If you put all of those points on a graph you get a slope of 4 and a perfectly straight line.
work is pictured and shown
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