Please answer all questions ( 1, 2, and 3 ) correctly no links please and thanks!

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.

Abcd is a parallelogram find the valuse of x

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles