A. y=-1.5x+30
B. it's negative because he is using money on the card
C.20, because that is the maximum amount of washes you can get for 30
Answer is C.
Law of cosines.
cos-1(-80/240)
Answer is 1/36...
probability of rolling a 3 is 1/6 so if you do it twice it will be 1/6×1/6=1/36
D
Substitute the values of x and y
Well the range is the maximum minus the minimum number so the range for highlands is 32 and the range for the lowlands is 28
