The cost of your new book bag is $11.50 more than the cost c of your old book bag. you pay $47 for your new book bag. write and solve an equation to find the cost of your old book bag. include units in your answer.

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?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.