If 9x+2y2−3z2=132 and 9y−2y2+3z2=867, then x+y =

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

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

Y+ 2/y is it a polynomial in one variable or not? and if so, why?