Addition of binary numbers 1111+1101+101​

What is the binomial expansion of (2x-3)^5

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

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?