There is a higher chance that the dad is right because he is betting on a pretty much 50/50 chance while the mom is betting on a 25% chance
Answer:

Step-by-step explanation:
experimental probability is the probability of an event occuring when we perform an experiment.
It goes according to the results of the experiment, not the theory behind it.
<u>Probability of landing tails up, therefore, is the number of times it came tails up divided by the total number of times the coin was flipped.</u>
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Hence
P (tails) = 36/80 = 9/20
Answer:
15.4
Step-by-step explanation:
154 / 10 = 15.4
If you're ever dividing any number and it isn't a multiple of 10 you just move the decimal over to the left once.
You asked what it is. It is a "one-step" linear equation in x.
The solution is found by multiplying both sides of the equation by -4. That gives you ...
... x = -100