Answer: 
Step-by-step explanation:
Given, A 2015 Gallup poll of 1,627 adults found that only 22% felt fully engaged with their mortgage provider.
Here , 1,627 adults are determining the sample.
Thus, sample size : n = 1627
Also, the sample proportion of adults felt fully engaged with their mortgage provider are 
for 95% confidence level , critical z-value =1.96
Then , the 95% confidence interval would be :-

Substituting values , we get

Hence, the required 95% confidence interval using only 1 decimal :
.
Y= 3/6 x - 3
or
y= 1/2 x -3
The answer is positive since the slope is positive.
Answer:
Option A, 9b + 10s is correct
Step-by-step explanation:
The complete question is
At cycle and sport customers can rent bikes, electric scooters, kayaks, canoes, or paddleboards by the hour. Ari is renting a bi ke, and meg is renting an electric scooter. Which expression represents the total cost for Ari to rent a bike for b hours and Meg to rent a scooter for s hours (Please answer ASAP) A. 9b + 10s B. 9 + 10 C. (9+b) + (10 + s) D. 9 + 10 x b + s
Solution
The price of renting a bike for one hour is $9
The price of renting a scooter for one hour is $10
Given -
Ari rents a bike for b hours and Meg rents a scooter for s hours
Total cost of renting a bike is 9 * b
Total cost of renting a scooter is 10* s
The total cost of renting both the bike and scooter is
9b + 10s
Hence, option A is correct
X=1
At least I'm 99% sure
Sorry. I'm not good at math