Conner's coin collection, which was worth $400 eight years ago, has been increasing in value by 12% per year since then. use the formula a = p(1 + r)^t to find the current value of the collection.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

The balance of susu's savings account can be represented by the variable b. the inequality describing her balance b > $30 . which could be a solution to the inequality?

Compound inequalities. , i’m being timed