Line a goes through the point (2,5)

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Which expression converts 45 degree to radians