Yk I always feel sad for those who don’t get help on here cus literally no one helps lma. oo might as well help urself

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Tell whether the two rates form a proportion