A closed form for the sum $$ s = / frac {2}{3+1} + / frac {2^2}{3^2+1} + / cdots + / frac {2^{n+1}}{3^{2^n}+1} $$ is $1 - / frac{a^{n+b}}{3^{2^{n+c}}-1},$ where $a, b,$ and $c$ are integers. find $a+b+c.$

Determine whether the variable is qualitative or quantitative favorite brand of computer

Multiply the number of letters in the alphabet by the number of noses on a rabbit. What's the product

What is 0.25 : 1.5 in simplest form

What is 34/9 as a mixed number

A washer and a dryer cost $911 combined. The washer costs $39 less than the dryer. What is the cost of the dryer?

If I was paying 875. now I pay 955. how much more am I paying

A belt and a wallet cost $42, while seven belts and four wallets cost $213. A) how much do four belts and four wallets cost? B) how much do three belts cost?

Qasim and Alejandra both earn $15 an hour at their job. This week Alejandra worked three hours more than Qasim. If h represents the number of hours Qasim worked, and in total they earned $195, how many hours did each person work?

What is the sum of 0.423 and 4.7

The data set below has an outlier 2,10,10,11,11.12,12,12,13,14,14 Which value is changed the most by removing the outlier