Give the y-interecept
3x + y = 5

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?