9. The table below shows the discount prices for a pair of shoes over several months.
a) Write a rule, then b) find the price of the shoes after 8 months.

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

Which letters from the table represent like terms? a and b b and c a and d b and d

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33