The sum of the first 24 terms in an arithmetic series is nine times the sum of the first two terms in the series. Find the

sum of the first 90 terms in the series.

iv. The kth term of an arithmetic progression is uk = 89

9

5k.

Given that the sum of the first n terms is equal to -35, find

the value of n.​

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

What are “like terms”? why can we only add like terms?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest