PLEASE HELP; TIMED TEST at a recent sporting event, you notice the microphones being used to record the sound of events. A drawing of microphone used as shown to the right. Microphone is place 6 inches away from the reflector at the focus of the para bola to collect sound.

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?