Answer:
87.9
Step-by-step explanation:
Use a calculator or table to find the z-score that corresponds to 25%.
P(Z < z) = 0.25
z = -0.675
Now find the value that corresponds to that z score.
z = (x − μ) / σ
-0.675 = (x − 101.3) / 19.9
x = 87.9
This is middle school??? AinT no way
8 centimeters would be your answer
Answer:
total area = 99m² + 39.4m²
= 138.4m²