one hundred sixty people were surveyed and asked if they believed in ufos, ghosts, and bigfoot.
42 believed in ufos 45 believed in ghosts
21 believed in bigfoot 11 believed in ufos and ghosts
6 believed in ghosts and bigfoot 4 believed in ufos and bigfoot
2 believed in all three
how many people surveyed believed in at least one of these things?
show your work by creating and sharing a appropriate venn diagram.
you can use the following free web tool accessed at to create your venn diagram and simply copy and paste the url in your post by using the "insert quicklink" button:

What are the solutions of the following system? y=-2x^2 y=x-2

Overproduction of uric acid in the body can be an indication of cell breakdown. this may be an advance indication of illness such as gout, leukemia, or lymphoma.† over a period of months, an adult male patient has taken nine blood tests for uric acid. the mean concentration was x = 5.35 mg/dl. the distribution of uric acid in healthy adult males can be assumed to be normal, with σ = 1.87 mg/dl. (a) find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. what is the margin of error? (round your answers to two decimal places.) lower limit upper limit margin of error (b) what conditions are necessary for your calculations? (select all that apply.) σ is unknown n is large σ is known normal distribution of uric acid uniform distribution of uric acid (c) interpret your results in the context of this problem. there is not enough information to make an interpretation. the probability that this interval contains the true average uric acid level for this patient is 0.05. the probability that this interval contains the true average uric acid level for this patient is 0.95. there is a 95% chance that the confidence interval is one of the intervals containing the population average uric acid level for this patient. there is a 5% chance that the confidence interval is one of the intervals containing the population average uric acid level for this patient. (d) find the sample size necessary for a 95% confidence level with maximal margin of error e = 1.10 for the mean concentration of uric acid in this patient's blood. (round your answer up to the nearest whole number.) blood tests

Which two angles in the figure are adjacent angles?