Write the word sentence as an equation: 30 equals 8 more than a number x

For which rational expression is -2 an excluded value of x?

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?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m