Victoria and margaret left their apartment at the same time traveling in the same direction. victoria drove at 55 mph and margaret drive at 70mph. how many miles was it before margaret was 30 miles ahead of victoria?

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?