Answer:
50.40
Step-by-step explanation:
7 hours and 20 minutes times 7= 50 hours and 40 minutes
And then you have to change it into a mixed number and it is 50.40
it would be able to make 20 different sets. not at the same time though. you would only be able to make 2 at one time
12
Answer: C (0,0), (-4,0) and (0, -5)
HOPE IT HELPS!!!!!!!!!!
