Answer:
7 hours
Step-by-step explanation:
Tuesday - $11/2hrs
Saturday - $38.50/x
2*38.50 = 77
77 = 11x
77/11 =x
7=x
7hrs
First, let's calculate the actual cost.

is the actual cost of six nights.
The formula for percent error is
The bars (|) stand for absolute value which gets rid of the negative sign if there is one.
Plug in the values:

<span>

</span><span>

</span>

<span>
</span>

<span> is the percent error.</span>
I cant answer without a pic ture plz snip it out or screen shot thx :)
Answer:In a survey of 525 subjects, each was asked how often he or she read a book. The survey subjects were interest users who responded to a question that was posted on a news website. It is flawed because it is a voluntary response sample 2. In a survey of 663 human resource professionals, each was asked about the importance of the education of a job applicant. The survey subjects were randomly selected by pollsters from a reputable market research firm. It appears to be sound because the data are not biased in any way 3. Several studies showed that after eating 4 servings of dairy a day, subjects had lowered risk of osteoporosis. A dairy farmers’ organized financed this research. What is wrong with this study? Self- interest study 4. Based on a study of weights of men and woman who are vegetarian, a searcher concludes that eating vegetables causes people to lose weight.