Aresearcher is studying the effects of caffine on exam scores of college students. in this study what would be the population and sample of this research?

Which value is not a solution of 8x^3 – 1 = 0

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together