In the xy-plane, if the parabola wiry equation y=ax^2+bx+c, where a, b, and c are constants, passes through the point (-1,1), which of the following must be true? a) a-b=1 b) -b+c=1 c) a+b+c=1 d) a-b+c=1 ; (

Write an explicit formula that represents the sequence defined by the following recursive formula:

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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?