Answer:

» 3y - 9 is equivalent to 3(y - 3)
Answer:
96
Step-by-step explanation:
6.4 miles per day
x miles per 15 days
cross multiply and get the answer of 96
Answer: z =2.39
Step-by-step explanation:
Given :

A random sample of 136 households found that 43 consisted of one person.
i.e. Sample size : n= 136
Sample proportion : 
Test statistic for proportion :-


Hence, the value of the test statistic: z =2.39
32/80 so divide that by 5 = 6.4/20 then multipy that by 100/1 so the answer is 640