Find the value of each variable in the following parallelogram

Find the value of the variable and the length of each secant segment.

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.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )