The vertex of this parabola is at (-5, 4). Which of the following could be its equation?
10
(-5,4)
10
10
O A. y = -(x + 5)2 + 4
O B. y= -(x - 5)2-4
O c. y = -(x + 5)2 - 4
O D. y=-(x - 5)2 + 4

What expression is equivalent to 1/2(2+3x-6)

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?