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)
The interior of a triangle = 180°
So 180° - 85° -50° = 45°
c. 45 degrees
Answer: It's 36
Step-by-step explanation: add 5+4(equals 9) then multiply 9 by 6(whih equals 36
Hope this helps
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Answer:
1) 1.99
2) 1.4
Step-by-step explanation:
