Its easy all you do is add the time given or subtract it
Answer:
Step-by-step explanation:
you would multiply by 3 on both sides to get the division to go away.
then subtract 8 from both sides.
then you have your answer
Answer:20.25
Step-by-step explanation:
If you do 81 divided by 4
I think Im not sure
Either of two angles whose sum is 90 degrees