Gavin has a superhero lunch box collection with 9 lunch boxes in it. From now on, he decides to buy one new lunch box every year for his birthday. Let y represent the number of years from now and b represent the total number of lunch boxes in his collection.

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60