Adding Positive & Negative Integers

(+2) + (+6) =

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex