An item that normally costs $80 is on sale for $56.00 off. What percent is the discount?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.