A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number<span> because it can be written as the fraction 8/1.
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Answer:
its already in its simplest form.
Answer:
D
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Hello,
I suppose you keyboard is french shift "=" ===>"+"
f(x)=x²+9x+18
f(10)=100+90+18=198
f(-10)=100-90+18=28
rate=(198-28)/(10-(-10))=170/20=17/2