Gavin is having a birthday party at Rolling 253. Gavin's family is providing soda and pizza. Pizza costs $8 each and soda costs $4 each. Gavin's family can spend at most $120. Rolling 253 requires they buy at least 18 items.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.