Hii please answer you should get 10 points. i don't understand this and rly need help

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Which expression gives the area of the triangle shown below

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.