Half of your baseball cards collection got wet and was ruined. You bought 19 cards to replace some that were lost. How many did you begin with if you now have 45

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Solve for x and select the correct answer

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same