The cost for renting a weed trimmer varies directly with the number of hours used. a weed trimmer rented for 5 hours costs $32.50.which choice shows the direct variation equation and the amount of rent for 8 hours in this situation? a y = $6.5x, y = $52.00 b y = $32.5x, y = $260.00 c y = $5x, y = $40.00 d y = $8x, y = $64.00