Answer:
x = 12/13
BC = 140/13
Step-by-step explanation:
If A is the mipoint of BC, then AB is half of BC.
AB = BC / 2
8x − 2 = (3x + 8) / 2
16x − 4 = 3x + 8
13x = 12
x = 12/13
BC = 3x + 8
BC = 3 (12/13) + 8
BC = 36/13 + 104/13
BC = 140/13
Answer
The graph of y = f(x) will shift down 20 units.
Class A Class B
1 2 3 4 5 6 7 8 4 1 2
2 3 4 9 5 9
1 1 4 8 6 2 4 9
1 7 1 5 7 8 8
2 5 8 0 3 4 4 6 6 7
0 9 2 2 5
<u>Mode and Mean for Class A</u>
Mode: 61
Mean: 57.8
<u>Range and Median for Class B</u>
Range: 54
Median: 78
Mixed number=4 8/10=4 4/5
improper fraction=48/10=24/5