Almost positive isosceles triangle
Answer: for question 1, i think you have to put yes because absolute value is always positive so it´s 6.5 and the opposite of -6.5 is 6.5
Step-by-step explanation:
1/4 x 1/4 x 1/4 = 1/64
There is a 1/64 chance that they will all be hearts.
Answer:

Step-by-step explanation:
Though it is not what you have written, we think you want to simplify ...

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When writing a fraction in plain text, parentheses are needed around the entire denominator. The order of operations tells you that a/bc = (a/b)c, not a/(bc).
Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column
