What is the intersection of the sets d={5,7,10,13,19}and e={3,7,14,19} a.{7,19} b.{5,7,9,10,13,14,19} c.{5,9,14} d. null set

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?

Which number line represents the solution set for the inequality -1/2x> 24?

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.