Choose the correct simplification of 3x4-9x3-3x2+6a: 5th degree polynomialb: 4th degree polynomialc: 9th degree polynomiald: 24th degree polynomial

Unc special program for high school students that pays them three $300 for joining and an additional $200 per week h& m pay students in according to the function y equals 300+240 x where why is the total paint and x is the number of weeks but love your peas students according to this graph primark uses the pay schedule according to the following table which stores pay has the greatest rate of change

Nine more than four times a number is the same as one less than twice the number. find the number?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?