Answer: 6.5 and 6 is the 9th term
Step-by-step explanation:
Answer:
lets just say -8
Step-by-step explanation:
Step-by-step explanation:
hope it helps you!!!!!!!!
You need to know these two formulas:

For example,

We call the ratio between two directly proportional quantities the constant of proportionality. When two quantities are directly proportional, they increase and decrease at the same rate. While these two quantities may increase or decrease, the constant of proportionality always remains the same.