The graph at the right shows the relationship between the number of kilometers a person has run and the number of minutes spent running. Does the graph show a proportional relationship?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.