What is the value of the digit 6? Correct answer will be marked brainliest.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Is this a polynomial function? i need to know asap

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36