Where does the line whose equation is y= -4/7x -1/2
a. (-4/7,0)
b. (-1/2,0)
c.(0,-1/2)
d.(0,-4/7)

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?