Aset of data items is normally distributed with a mean of 210 and a standard deviation of 28. convert 294 to a z-score

The z-score is 3, because 294-210=84; 84/28=3

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation:

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4