Answer:
-1, 1, -1
Step-by-step explanation:
-1*-1*-1 = -1
1*-1 = -1
11 squared is 121
20 squared is 400
121+400= 521
The approximate square root of 521 is approximately 22.8254
It can't be simplified, it is already in its lowest term
Answer:
1/2(x+7)
Step-by-step explanation:
