Answer:
use distributive property of the parenthesis first so
4+42-21+8 = 33
90
Step-by-step explanation:vkjl
Answer:
Z = 3
Step-by-step explanation:
In a normal distribution, the Z score that corresponds with a data point x is calculated using the formula;

For the case given, the z score will be;

Answer:
the answer that 9-(2,4)
Step-by-step explanation: