Write the expression as the
sine or cosine of an angle.

cos 3x cos x - sin 3x sin x

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425

The answer would be d i think but i’m for sure it is not a and c