Answer:
previous balance
Step-by-step explanation:
Answer:
(x+12)(x-15)
Step-by-step explanation:
The answer is HC, HT, HH, CC, CT, CH, TC, TT, TH
Answer:
6 hours
Step-by-step explanation:
What you have to do is find the unit rate, which would be 20/40 which is .5 ( half an hour, 30 mins ) . Then you would do 30 x 12 = 360 ( 6 hours ).