Two functions are given. a(x) = x^5 - 1/x - 1 b(x) = x^6 - 1/x - 1 Write equivalent expressions for a(x) and b(x) and find the difference of the two expressions

20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9

What is the definition of exponential decay?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?