Answer:
x
0
Step-by-step explanation:
You need each of the square roots to be positive numbers, and the only for that to happen is if the variable is 0 or a positive number.
4×2=8 so n=2 and 8+12=20 so ?=12
9.
9 squared is 81. 81+4=85. 85 is divisible by 5.
It is 21 g What are the benefits and what are the drawback to certifying/licensing computer/IT professionals?