Answer:
See the explanation for the answer to this question
Step-by-step explanation:
Let
B ---> the balance of money saved.
M ---> the amount invested in dollars
JoeNah's Equation
M=$100

Dekobian's Equation
M=$100

Evan's Equation
M=$100

Substitute

Dekobian's equation and Evan's equation are correct! :)
JoeNah's equation is wrong. :(
Hope this helps you!
Have a good evening!
Answer:
4.25
Step-by-step explanation:
2x2+2x-1=
4+2(-3)-1=
4+(-6)-1=
4+(-7)=
-3