Pre calc question -

Evaluate sec (pi/3)
Show work using unit circle

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75

Jessie and bob are financing $425,500 to purchase a house. they obtained a 30/8 balloon mortgage at 6.55%. what will their balloon payment be?