Answer:
13.5
Step-by-step explanation:
What is the area of a rectangle with a length of 3 cm and a width of 4.5 cm?
1.5 cm2
6.75 cm2
7 cm2
13.5 cm2 this one
The first derivative is 5
Use this chart, every way it can add up to ten: i.e. 5,5 6,4...
Do what is in the parentheses then add