In 3 years a gyms membership went up from 6,400 to 8,400. which expression shows how to find the percent of increase

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

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

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827