Answer:
(number - mean)/standard deviation.
Plug in the 78 for the number, the 84.5 for the mean, the 3.1 for the standard deviation.
Step-by-step explanation:
Answer:
-51
Step-by-step explanation:
-6x4/2= -12
-12x3= -36
-36-15= -51
Hope this helps. Plz give brainliest.
Answer:
to be able to answer that for you we would need graphs but the graph should have these three points -2,-7 0,2 and 2,8 it will also be a diagonal line going up right
Step-by-step explanation: