What is the equation of this equations parallel line?

c(4,8); y=7/9x-8

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.