There are 45 red tiles, 25 blue tiles, and 30 green tiles in a bag. A) Suppose you plan to conduct this experiment 60 times: – Draw a tile from the bag without looking. – Record the colour of the tile. – Replace the tile. How many tiles of each colour do you expect to get? B) Andrew conducted the experiment. He drew a blue tile 50 times. Did Andrew do something wrong? 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?