4x+8=-12 solve and explain what indicate what property of equality you used. (properties of equality: addition, subtraction, multiplication, division)

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)