5-3z-18=z-1+8z
Add like terms
-13-3z=9z-1
Move terms
-12z=12
Divide both sides by 12
z=1
It doesn’t make any difference whether or not the data is grouped, the mean is the same. So b. false.
Answer:
14/3
Step-by-step explanation:
32/6 - 2/3
16/3 - 2/3
16-2/3
14/3
Answer: 16
Step-by-step explanation: Since there are 8 pts total, then any score 4 or below would be 50% or below. There is 1 student with 4, 7 in 3, 5 in 1, and 3 in 0.
1+7+5+3=16
The answer is A) commutative property of addition