Answer:
Step-by-step explanation:
Chance of picking a house 1 year old is 17%
Chance of picking a house 2 years old is 22%
Chance of picking a house 3 years old is 28%
Chance of picking a house 4 years old is 33%
The only graph most fitting is the top graph of the first answer choice picture or:
Answer:
Solution given:
a = 12, b = 5, c = 9
We have
: a² = b² + c² – 2bc cos A
12²=5²+9²-2×5×9 cos A
12²-25-81=-90 cos A
cos A=38/-90
A=cos -1(-19/45)
<u>A=115</u>°
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