Question 7: Given two terms in an arithmetic sequence find the nth term.
a) 18th = 3362 and 38th= 7362

گرم
a

Icould really use some with this question.

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers