Zachary is starting a business selling handmade necklaces. he has
decided to invest an initial amount of $31 for advertising, and materials
cost 56 for each necklace he makes. zachary can sell his creations for
537 per necklace. once he makes and sells a certain number of
necklaces, he will break even, with identical expenses and sales. how
many necklaces would that take? what would the total expenses and
sales be then?

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?