Abby can buy an 8 pound bag of dog food for 7.50. or a or a 4 pound bag of the same dog food for 5.38.which is the better buy

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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?