Answer:
I think it would be the second answer.
We first find A2, for which we multiply A with itself. We perform matrix multiplication in which we multiply rows of first matrix with columns of second matrix element by element and add.
Step-by-step explanation:
Length of rectangle = 4 * 3.5cm = 14cm.
Perimeter of rectangle = 2(14 + 3.5) = 35cm.
Area of rectangle = 14 * 3.5 = 49cm².
47+3=50 and 7 into 4 + 3
50 + 4 = 54 so 47+7=54
if this is right can i get brainest
