The answer is d because he buys them for .3 and sells them for 1 so 100-30=70=.7 and then it costs him 3 to advertise so you subtract three
YOU HAVE TO FIND THE SLOPE m
The formula to find the slope is m=(y₂-y₁)/(x₂-x₁)
Since we have the coordinate of each point, then we can calculate the slope m
7) (-6-3)/(2+4) = -9/6 =-3/2 (slope negative so the function falls
8) (-1-1)/(7-7) = -2/0 (tan ---> ∞ ) VERTICAL
9) (-2+2)/(5-3) = 0/2 = 0 slope = 0 ===> Horizontal
<span>See this formula in more detail in the Examples section. Formula: To find the percentile rank of a score, x, out of a set of n scores, where x is not included:Example: If Jason graduated 25th out of a class of 150 students, then 125 students were ranked below Jason.</span><span>
Percentiles - Regents Exam Prep Center is were i for my information for you
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- 4(8x-3)/4 =76/4
-8x+3=76/4
-8x+3=19
-8x=16
X=2
I hope this helps.
First find the slope of the line so change in y over change in x so 4-2/1-2 which is 2/-1 so -2 is your slope then plug that as well as a point from above to find your y intercept so y=mx+b 2=-2(2)+ b then you have 2=-4+b then add 4 to each side and you find b is six then you make ur equation from your slope and y int(b) y=-2x+6
