Answer:
This isn’t really a valid equation, so I’m guessing you forgot to type something.
Step-by-step explanation:
Put the given values in the formula

and evaluate.
z = (150 -160)/16 = -10/16
z = -5/8
The z-score for the score x=150 is -5/8 = -0.625.
answer:
2. 3/2
1. y=-7
Step-by-step explanation:
Answer:
however the meaning of math
Step-by-step explanation:
20+20
Answer:
230-300= -70
All you have to do is subtract :)