Answer:
a. 
Step-by-step explanation:

Expand:




Answer:
1/56 chance
Step-by-step explanation:
3/8 x 2/7 x 1/6 = 1/56
Answer:
2.916666667%
Step-by-step explanation:
24*60=1440
1440x=42
x=42/1440
x = 2.916666667%
Answer:
d = all real numbers
Step-by-step explanation:
-9d-8= -4 (d + 2) - 5d
-9d - 8 = -4d - 8 - 5d
-9d - 8 = -9d - 8
0d - 8 = -8
0d = 0
d = all real numbers