Answer:
Try A
Step-by-step explanation:
irrational number, any real number that cannot be expressed as the quotient of two integers.
Any number that can be written as a fraction with integers is called a rational number . For example, 17 and −34 are rational numbers. (Note that there is more than one way to write the same rational number as a ratio of integers.
1st Is rational
2nd one is irrational
3rd is irrational
4th is rational
Its 150 cause V is 1/3*Area*height
Tip:
draw a diagonal and compare triangles ;)