Answer:
18 but look at others awnsers aswell
Step-by-step explanation:
Their is a total of 12 rectangles in the picture
All of the figures located in the picture are all rectangles
13
f(-3)=2(-3)-5(-3)+4. = -6+15+4= 13. f(a)=13
20 L volume and 12.5 cm depth.
See attached image.