Sub the polynomial

(6p+8p^2+4)-(p^2-6+3p)

What properties allow transformation to be used as a problem solving tool

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$