1.An advertising company charges $40 per half-page advertisement and $75 per full-page advertisement. Michael has a budget of $800 to purchase 13 advertisements. Write a system of equations and show me how you broke it down

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a. m. if he arrives at the gate at 11: 45 p. m., can he board the flight?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year