Answer:
A) Rational
B) Irrational
C) Rational
D) Irrational
Step-by-step explanation:
Irrational numbers cannot be expressed as a ratio of two number, whereas rational numbers can be. 81 can be expressed as 9*9 whereas, 89 cannot be expressed as ratio of two numbers.
Hello,
y=x²-12x+2=x²-2*6x+36-36+2=(x-6)²-34
Vertex is (6,-34)
He spent $201.6 on the club altogether