How many proportional relationships are shown in the coordinate plane below? Halp If u don't know the answer DO NOT ANSNWER

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16