Aboat travels 60 miles downstream in the same time it takes to go 36 miles upstream the speed of the boat in stillwater is 15 mph greater than the speed of the current find the speed of the current

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

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.

X+y=-4 x-y=2 use elimination with adding and subtraction