-9 to the second power will most likely be 81. A negative x a negative equals a positive. Hope this helped.
You could use a thermometer on a pets fur if it was outside or measure the amount of air in a ball since air is heated it expands there for making the ball have more air? it’s a long shot but i would just go for the first idea to be honest
Answer:
Its A
Step-by-step explanation:
4/5 - 0.5 Convert the fraction to a decimal:-
= 0.8 - 0.5
= 0.3
X2 - 2x + 9x - 18
X2 + 7x - 18
