Here's some free POINTS just feeling nice rn​

Use set buikder notation to represent the following set: {, -2, -1, 0}

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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?