30.7% of 1000 how much is it plz help

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?