Which statement is true about the graphs shown? A)Only graph A represents a proportional relationship
B)Only graph B represents a proportional relationship. Eliminate
C)Graph A and graph B both represent a proportional relationship.
D)Graph A and graph B both represent a non-proportional relationship.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?