Answer:
38%
Step-by-step explanation:
The additional wage compared 12 years of education to 16 years of education is:

The amplitude of this function is 4/5. Be sure you understand why that is so.
A) 0.59 uses 2 sig figs
B) 100.6 uses 4 sig figs (the zeros in this case are significant)
C) 98.42 uses 4 sig figs
D) 1.045 uses 4 sig figs (the zero is between other sig figs so it's significant)
Every choice but choice A has 4 sig figs. So the answers are B, C, and D
2. Segment addition postulate
3. Substitution property of equality (AC=111; AB=7x+1; and BC=4x)
7. Symmetric Property of Equality