Henry sells rings for $8 each. His expenses are $2.00 per ring, plus$90 for supplies. How many rings does he need to sell for his revenue to equal his expenses?

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?

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is