After reading a survey in Modern Dog Magazine that reported that 74% of Americans prefer dogs, Kendra is curious about the survey's reliability. She finds out that the study used an outside research organization to select 1,000 people each year for seven years. The results from each year are below. Year Percentage that Prefers Dogs
1 75%
2 76%
3 79%
4 73%
5 71%
6 74%
7 71%
Select the statement that is true about Modern Dog Magazine's survey.
a.) The survey results are both accurate and precise.
b.) The survey results are precise but not accurate,
c.) The survey results are neither accurate nor precise.
d.) The survey results are accurate but not precise.

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.

What expression is equivalent to (84+16)

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.