D and E are the ones that aren’t functions because they use the x-values more then once
1. y= 2r+5 2. $17 3. 5 rides
Answer:
first one is D
second is B
third is B
Step-by-step explanation:
70% of 60 is just 60 multiplied by 0.7:

Then you add to get the total days:

So, in total, you have
102 days.
Vaughn and Xi are not partners in Wind Systems because they do not have joint control over the business.
<h3>Who is a partner in a business?</h3>
A partner is a person who shares in the profit and loss of a business. A partner is also involved in the running of the business.
A partner is sometimes needed because one person might not have the knowledge and know how of running a business. Also, a partner might be needed to raise enough capital for the business.
To learn more about partners, please check: brainly.com/question/22693552