Hey, I need help solving these. I am currently in geometry Please show your work when solving!

Choose the statement that is not always true. For any parallelogram... O a opposite sides are congruent Ob opposite angles are congruent O c the diagonals are perpendicular O d the diagonal bisect each other O e none of the aboveChoose the statement that is not always true. For any rhombus... O a the diagonals are congruent Ob all four sides are congruent O c the diagonals are perpendicular O d each diagonal bisects a pair of opposite angles\fThe perimeter of a square GOLF is 72 inches, and OL = 2x + 6. What is the value of x? O a 6 Ob 9 O c 12 O d 15 O e 18The measure of each interior angle of a regular polygon is 144". How many sides does the polygon have? a 8 O O b 9 O c 10 O d 12 O 14