It can be x = 3 and x = -15
37.5% = 3/8 as a fraction.
So 180 x 8/3 would get you your answer.
Solution: 480
9 mph because if it was 4/5 miles in 1/10 of an hour you just multiply it by 10 to get an hour and if you multiply 4/5 x 10 equals 40/5. simplified it is 9
B, it’s the only one that isn’t linear