A base angle of an isosceles triangle is 27 degrees. What is the measure, in degrees of the vertex angle?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0