Writes formula for f(n), the nth term of the arithmetic sequence 1,4,7,10,13

Find the third, fifth and seventh term sequence described by each rule a(n)=n+1

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers