The product of a number and 1 less than the is 30. find the number

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

If g(x) is an odd function, which function must be an even function?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?