A) x + y = 2
B) x * y = -8
B) y = -8 / x we can substitute this into equation A
A) x + -8 /x = 2 multiplying both sides by "x"
A) x² -8 = 2x
x² +2x -8 = 0
(x + 4) * (x -2)
The 2 numbers are -4 and 2
<span>The point estimate of the proportion of people who wear hearing aids if, in a random sample of 855 people, 47 people had hearing aids is , p=47/855 p= 0.054 thus the point of estimation p= 0.054</span>
Answer:
c
Step-by-step explanation:
when its exponents it will add
