Answer:
−a+2−5
Step-by-step explanation:
Pretty sure you can do the rest
First add the variables, 5 - -6a = -1 2- 3 = -1
The constant of proportionality is 5. For every time the total area "A" is multiplied by one the length is multiplied by 5.
42
4+3=7
7x6 = 42