Astore sold $115.50 worth of coffee mugs. how many mugs did they sell? at3.50 per mug

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

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

Find cot x if sin x cot x csc x = √2