The vertex of this parabola is at (-3, 6). which of the following could be its equation?

a. y = -3(x + 3)2 + 6
b. y = -3(x + 3)2 - 6
c. y = -3(x - 3)2 + 6
d. y = -3(x - 3)2 - 6

Find the value of the cosine for angle a

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.