Evaluate the expressions below for the given values!

Answer:
a: -10
c: negative infinity/undefined
Step-by-step explanation:
Question A:
1. [tex]1-2(-2)+3(-5)[/tex]
2. [tex]1 + 4 -15[/tex]
3. [tex]5 - 15[/tex]
4. [tex]-10[/tex]
Question C:
1. [tex]-\frac{5}{-1+1}[/tex]
2. [tex]-\frac{5}{0}[/tex]
3. negative infinity/undefined