Answer:
negative
Step-by-step explanation:
calculating the z score by subtracting the mean and dividing by the standard deviation
(55-70)/10= -1.5
It's negative
Answer:
answer is A and C
Step-by-step explanation:
here you go
If you're simplifying the equation your answer is going to become -d^3 +3d^2 +23d -30
There's no question there. You didn't attach the pic
Answer:
-1/3
Step-by-step explanation:
