George drove 168 miles in 4 hours. if this rate continues, how many miles can he drive in 7 hours?

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Me with this one question, and i'll upvote the brainliest answer

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