Wright the first 4 terms for the sequence t(n)=4.5-8

Find the value of the cosine for angle a

A(t)=728(1+0.04)^t how much money did aditya originally invest

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