Can someone help me with these?

Which system of linear inequalities is graphed? can somebody pleasssse

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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?