What is the value f in simplest radical form?

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 of the following is the sum of 3 1/6 + 6 3/8?

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.