Answer:
n=42
Step-by-step explanation:
n/6-2=5
n/6=7
n=42
Answer:
2.5
Step-by-step explanation:
y=kx, k is constant of prop
Answer:
z = -3
Step-by-step explanation:
<u>Use the formula for z-score</u>
This tells us that the person's score of 150 puts him/her 3 standard deviations below the mean of 300.
I hope this helps you
z^3+5z+3z^2-4-2z^2
z^3+z^2+5z-4