The life of a rectangle is threeinches longer than twice the way th inches longer than twice the width the width. the perimeter of the rectangle is 84 inches. what are the dimensions of the rectangle? right and solve equation to find the answer.

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?