**Answer:**

YEEEEEEEEEEEEEEEEEEETTTTTTTTTTTTTTT

**Step-by-step explanation:**

**Answer: 17+3(n-1)**

This simplifies to **3n+14**

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Explanation:

is the first term

is the common difference, or the gap between terms. Eg: the jump from 17 to 20 is +3.

This means the nth term is...

As a check, if we tried something like n = 2, then,

which matches with the second term of the sequence your teacher gave you. I'll let you check the other terms.

**Answer:**

wait you want me to answer this

A rational number is written in the form p/q, where p and q are not integers and q is not equal to 0.

An irrational number can be written in decimal form and possibly no end. In simple words, an irrational number cannot be expressed as a fraction.