Answer:
647680
Step-by-step explanation:
-1746
well, 1750>4, so you'd have to add a negative number.
1750+(-1746)=4.
Answer:
1. no
2. yes
3. no
4. yes
5. yes
Step-by-step explanation:
Answer:
54.5 
Step-by-step explanation:
divide it to one rectangle and two different triangles.
Rectangles area: (8+3)*4 = 44
triangle top: 4*3/2 = 6
triangle bottom: 3*3/2= 4.5
sum the all up: 44+6+4.5 = 54.5
don't know how to do it with π though if that's obligatory