SOMEONE PLEASE HELP ME WITH THIS QUESTION, AND PLEASE SHOW WORK. ASAP

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Which pair of lines is parallel? a. y= -2x+4 and y=2x-1 b. y= 1/2x-1 and y= 1/2x+10 c. y= x+3 and y= -2x+3 d. y= 3x+5 and y= 1/3x+2

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?