Answer:
17 cm
Step-by-step explanation:
P=2L+2W
L=22, P=78 we want to find W
78=2(22)+2W
78=44+2W
34=2W
W=17 cm
B(x)=(x_4)^2+5 that is the answer
I'm confused as you are
6 square root 2
its the only thing i can think of it to be