2. The sum of two numbers is 12. The difference of the same two numbers is 4.
What is the larger of the two numbers?
F. 4
H. 7
G. 5
1.8

PLEASE HELP :(

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?