Answer:
x ∉ R
Step-by-step explanation:
x² = - 21
if x² < 0 => x ∉ R
I can figure all of them out if there's still time
Answer:
105% of 400 is 420, the percent is 42000%
Step-by-step explanation:
<span>10.5=5z
re-order
5z = 10.5
divided both sides by 5
5z/5 = 10.5/5
Simplify
z = 2.1
Answer is </span>C. z= 2.1
Magnetic power and then u can do like bold hehe
