Answer:
10.5 is really 10.50 the . 5 is half the whole one unit, like 50 cents is half a dollar
Answer:
1 fact per 3 seconds because you divide 300 by 100
-1/15, use the slope formula
Answer:
No
Step-by-step explanation: By dividing 12/98 you would get a decimal(0.12244897959) by this not being a whole number it can not be a perfect square.