Callie is wanting to plant a vegetable garden. She must have zucchini plants and tomato plants. Her garden can only accommodate 8 plants at the most. Let x represent the number of zucchini plants and y represent the number of tomato plants. She wants to have at least 3 times as many zucchini plants as tomato plants. A zucchini plant costs $4.50 and a tomato plant costs $6.50. She only has $60 spend. Select all of the constraints for this situation. x > 0
x + y < 8
4.5x + 6.5y ≤ 60
x ≥ 3y
x + y ≤ 8
y > 0
4.5x + 6.5y ≥ 60
y ≥ 3x