Answer:
-1.75.
Step-by-step explanation:
The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.
= (13 - 20) / 4
= -1.75 (answer)
Answer:
5.4 is rational. 5.4 divide by 2 is 2.45 5.3 and 5 3 are irrational, as it cant be divided easily
I think it’s -6 but I would check with someone else too lol
820
Explanation: it is .82x (1,000/15,000)
-3(b - 7)
Multiply -3 into the parenthesis.
= -3b + 21.
