The area of a rectangle can be expressed by 2x^2 -7x - 4. If the rectangle has an
area of 45, find the positive value for x.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

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?