<span>x^2-80=0
</span><span>x^2 = 80
x^2 = 16 (5)
x = 4</span>√5 and x = -4<span>√5</span>
Write <em>z</em> in exponential form:

Then taking the logarithm, we get

so a is the correct answer.
25.35 seconds. Add all 4 numbers and divide by 4
Answer:
X < 31
Step-by-step explanation: