What is the product?
(6 r minus 1)(negative 8 r minus 3)
1. negative 48 r squared minus 10 r + 3
2.negative 48 r squared minus 10 r minus 3
3.negative 48 r squared + 3
4.negative 48 r squared minus 3

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?