Crystal is 12 years old and alexa is 6 if crystal runs 100 yards how far dose alexa when do they run together.

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?

What’s -11-33k and factor each expression completely

Find the distance between (7,-6) and (-3,-9)