There are 6 rows in the parking lot. each row has 12 parking spaces. at 9 o'clock the lot is full. an hour later, there are 15 empty spaces. how many cars are in the lot an hour later?

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

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176