Answer:
8
Step-by-step explanation:
y²+by+16= (y+4)²
y²+by+16= y²+2*4*y+4²
y²+by+16= y²+8y+16
by=8y
b=8
Answer : x^2 and x^2+3x+9 the first one and the last one on edgenuity ❤️
The answer is 1357953256.5786.75368909.4368096 caca
Answer:
600cm^2
Step-by-step explanation:
20*20=400
20/2=10= h in 1/2bh
(1/2)10*20=100
square=400
triangle=100
total area=square+triangle+triangle
600cm^2