Question

7. During a five-day period, a stock showed these changes: +2.8, -4.6, -2.4, +3.9, + 2.2. What was the overall change during the five-day period?
1.9 loss
1.9 gain
No gain or loss


8. Evaluate: |4.2 - 2x| - 6.1 if x = 0.8
-3.5
-8.7
-4.34


9. Evaluate: 3.5 - |2.4 - z| if z = -5.8
6.9
11.7
-4.7


10. Evaluate: |2.8 - k| + 3.4 if k = 8.1
8.7
-1.9
14.3

Answer 1

1.9 gain
-3.5
-4.7
8.7