I’LL GIVE THE BRIANLIEST TO WHOEVER GETS IT RIGHT

D: 9

Step-by-step explanation:

Since its asking for the longest side, its AB and DC. So therefore you would count the number of cube blocks and you should get 9 units.

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11