Will mark which equation shows y +1/5=3x in standard form a.15x+5y=-1 b.15x-5y=1 c.5x-15y=1 d.15x-5y=-1

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Two lines parallel to the same plane are parallel to eachother

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?