If they are looking to have them all simplified, this is how they should look.
4y - 4
4y + 4
4y + 1
If he charges $145 he worked for 5 hours at $20 an hour
Answer:
Step-by-step explanation:
3 × (4 + 5) - 6 = 21
4 × (3 + 2) - 8 = 12
Answer: B. 0.036
Step-by-step explanation:
Formula for standard error :

, where p = Population proportion and n= sample size.
Let p be the population proportion of the people who favor new taxes.
As per given , we have
n= 170

Substitute these values in the formula, we get

Hence, the standard error of the estimate is 0.036.
∴ The correct answer is OPTION B. 0.036
The correct answer would be 3.
1+(-1)-(-3)
1+(-1)=0
0-(-3)
0+3= 3