12+12+9+9= 42
12 x 9= 108
12^2 x 9^2 =6561
( I hope I did that right for you )
Yes they are because some is negative and just put yes on your paper its kind of hard to explain i hope i helped you witu the question
Answer:
6 centimeters per day
Step-by-step explanation:
Since there are 7 days in one week, 42 cm divided by 7 days will equal to the answer 6 centimeters per day.
Answer:
(8,-9)
Step-by-step explanation:
using the principle of vectors, you match each number to their coordinates and add them
so we have (7+1,-12+3)
which is equal to (8,-9)
