Answer: (D)
Step-by-step explanation:
Let 8/9=x/12
9*x=12*8
9x=96
x=10.7
Mean is the average,
The total ages with 5 people would be 5 x 33 = 165
the total ages with the 6th person is 6 x 37 = 222
The age of the 6th person is 222 - 165 = 57 years old.
Answer:
<h2>B. (1, -3)</h2>
Step-by-step explanation:
The solution of the system of equations is the coordinates of the intersection of the lines.
(1, -3)
Answer:
<em>D. 57 deg</em>
Step-by-step explanation:
33 + m<MLN + 90 = 180
m<MLN + 33 = 90
m<MLN = 57
m<KLN = m<MLN = 57