Answer:
A, D
Step-by-step explanation
A
2^2 = 4
4^2 = 16
D
2^2=4
2^4 = 16
Step-by-step explanation:
X-2=0 or x+10=0
X=2 or x=-10
Two roots
21
yeah 2+2 is 21 thanks for the very nonexistent question
