Answer:
1st one
Step-by-step explanation:
hope this help have a great day!
Answer/Step-by-step explanation:
Area of a rectangle = Length × Width
Width of the large rectangle = a
Length of the large rectangle = (2 + 3 + 4)
Therefore:
Area of the large rectangle = a(2 + 3 + 4)
We use letters to represent a variable in expressions. I hope this helps!
