Answer:
c.
Step-by-step explanation:
From the last row in the matrix z = 1.
From the second row:
y + 5z = -4
y = -4 -5(1) = -9.
From the first row:
x + -1 = -3
x = - 3 + 1
x = -2.
<span><span> r = -1/3 = -0.333
</span><span> r = 0</span></span>
Answer:
$325
Step-by-step explanation:
709-59=650/2=325
The mean of the data without the outliers will be B 65.
4. y=-2x-2
5. y=2x-1
6. y=2x-4
7. y=-x
8. y=0+1-1.5
