Atoy rocket is launched from a platform 42 feet above the ground at a speed of 91 feet per second. the height of the rocket in feet is given by the polynomial −16t^2 + 91t + 42, where t is the time in seconds. how high will the rocket be after 3 seconds? a. 122 feetb. 218 feetc. 93 feetd. 2570 feet

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?