Answer:
-2/5
Step-by-step explanation:

Expand parentheses:

Hope this helps!
Answer:
4x³ +2x² + 2x
Step-by-step explanation:
1- Determine the sign
2- Combine like terms
The first question is non-linear because it is an exponential equation, which is a curved line on a graph.
The second question is linear because you gain 5 every week, which is a straight line.
Answer:
c)7/43.96
Step-by-step explanation:
a) 43.96/7
b)43.96/14
c)7/43.96
d)14/43.96