You go to your favorite deli on your way to the Ave. At the deli you order your favorite type of deli sandwich. The sandwich used to cost $3.25, but ever since the pandemic started prices were raised and now you pay $4.55. What was the percent increase between the amount you used to pay and the amount you pay now?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.