If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram, the amount left after 5 years is 30 grams

32 grams

22 grams

40 grams

28 grams

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Sum is 17 and their difference is 3

The area of square garden is 300m squared. how long is the diagonal?