well, rational = fractional, namely something you can write as a fraction, well, anything between -1 and -2 is just less than -1 so

Answer:
n term=a+(n-1)r
Step-by-step explanation:
l do not understand question clearly.
Answer:
y=1/2x+7
Step-by-step explanation:
No work needed
Answer:
3/1
Step-by-step explanation:
All unit rates have a denominator of 1.