Replace the question mark (?) with to make the equation true. (m-n)/(m^(2)-n^(2))(?)/((m-1)(m-n)) =(2m)/(m^(2)-n^(2))

Answers
A) m+n
B) 0
C) m-1
D) -(m+n)

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

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2