It is an irrational number.
Irrational numbers can be written as a decimal but not a fraction. It has an endless non-repeating digits to the right of the decimal point.
Rational numbers are those that can be written as a ratio. Meaning it can be written as a fraction where both numerator and denominator are whole numbers.
45 _____________________\_
Cubic functions usually look like an S
Answer:
30=2*3*5, so it's 30
Step-by-step explanation:
15=3*5, so it's not 15
20=2*2*5, so it's not 20
30=2*3*5, so it's 30
57=19*3, so it's not 57
