Josh buys a shirt for $15.50. He has a coupon for 20 percent off. What is the discount amount?

What is sin 7x/4 ? i need on this urgent trig

Solve 2^x=32 and rewrite this equation in a logarithmic form

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.