I am assuming theres an addition sign between the 3 and 4.
So basically you want to multiply the 5x by both terms so it will end up being
(5x•3) + (5x•4)
Now simplify:
15x+20x
Hope this helped ^_^
False.
In a random sample each member of the group has the same chances to be choosen. A representative sample replicates the characteristcs that you want of the group. Many times you need to make the sampling not random to pick a sample that represents or replicates the group.
Answer:
y = 18
Step-by-step explanation:
9, 2, -5... so is going down by 7 each time, meaning the "common difference" is -7.
Answer: 0.025
Step-by-step explanation: we reject null hypothesis if p<0.05
