Answer: 1.18
Step-by-step explanation:
Z = (x - mean) / standard deviation
Z = (85 - 71.4) / 11.5
Z = 13.6 / 11.5 = 1.18
Answer:
The y co-ordinate is 9
Step-by-step explanation:
We simplify the expression given by the formula;

Answer:
3.5°
Step-by-step explanation:
Subtract 82 and 54, to find the total change in temperature, 28.
7:00 am and 3:00 pm are 8 hours apart, so divide 28 by 8.
Your answer should be D, 3.5° per hour.
The answer to that is 140