Decrease 64 by 60% what's the answer

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account