9. Simplify 1/2 (4a + b) - 1/4 (4a + b) А. a
B. a + 1/4 b
C. 2a + 1/4 b
D. 2a - b

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

Ineed with this problem 21 show steps

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.