Answer:
a+b/2×h=56
Step-by-step explanation:
thanks needed.......
Answer:
Sam
30
Step-by-step explanation:
Sam made a mistake when he said
. The steps should have been:

You are supposed to square 5 first before multiplying 2. Sam multiplied by 2 first. The correct answer is 30.
D: Dead plants fall in swamp...
This is the answer because the plants must begin to accumulate in a location, then continue to build tall enough for the rest of the process to continue.
A is incorrect because the plants must die before piling up
B is incorrect because the plants must die and accumulate before compressing
C is incorrect because plants must die before being buried.
How many 1 3/4 inches are there in 35 inches?
Or in math talk:
35" ÷ 1 3/4
The answer is that 20 books will fit on the shelf.
I used a calculator and used 1.75 instead of 1 3/4