Arithmetic I'm pretty sure
Answer:
See below
Step-by-step explanation:

1st rectangle:
width: 2.48cm
length: 4.96
2nd rectangle:
width: 4.96 (equals to the length of the 1st rectangle)
area: 9.92
length: 9.92/4.96 = 2
Answer:
Eather one of the answers above
The answer is 5x + 76y
There is no complete standard form because there is no value for x or y given.