Lamar has n decks of cards. each deck has 52 cards in it. using n write an expression for the total number of cards lamar has

When you answer this can you explain

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?

Which function is shown on the graph?