(y-4)(y^2+4y+16)
y^3+4y^2+16y-4y^2-16y-64=y^3+4y^2+ay-4y^2-ay-64
Comparing the coefficients: a=16
Answer: The value of a in the polynomial is 16
60° bc 25+35=60, 180-60=20, 180-20=60, 60+60+x=180; x=60
Answer:
Their is this website that has any basically every calculator on it and it show work. It is called "calculator soup"
