Im not sure about the second one, but for the first one, Alex’s height is 167.64 cm. :)
Answer:
3
Step-by-step explanation:
look at the sides
Answer:
2
Step-by-step explanation:
2 is 2.
22 is 2•11.
The GCF is 2.
Answer:
The answer to your question is below
Step-by-step explanation:
2.
Just find the prime factors of 128 and simplify


3.-
Get the square roots and simplify
3i + 4i
7i
4.- None of the choices is equal to one, because the exponents are pair.
5.- 1/3x² + 10 = 7
1/3x² = 7 - 10
1/3x² = -3
x² = -3(3)
x² = -9
x = ±3i