Answer:
9
Step-by-step explanation:
k=-9
-9×-9
81 square rooted
9
Answer:
false
Step-by-step explanation:
I used to shovel snow for $5 an hour.
If ' t ' was the number of hours I spent shoveling somebody's driveway,
then ' 5t ' was the number of dollars he owed me for the job.
' t ' didn't even have to be a whole number. It worked fine with any number.
Answer:
no
Step-by-step explanation: