Answer:
Option A - 
Step-by-step explanation:
Given : Expression 
To find : Solve the expression ?
Solution :
Step 1 - Write the expression

Step 2 - Multiply the first two bracket in multiplication if base are same power get added and apply symbol rule of multiplication 

Step 3 - Again multiply the bracket,

Therefore, Option A is correct 
volume = L x W X H
2 1/4 x 7/8 x 1 1/2 = 2 61/64 cubic meters
1 cubic meter = 1000 liters
2 61/64 = 2.953125
2.953125 * 1000 = 2,953.125 liters ( Round answer as needed )
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Answer:
42 square meters
Step-by-step explanation:
rectangle: 3 x 6= 18 square meters
square: 4 x 5= 20 square meters
triangle: 4 x 2 x 1/2= 4 square meters
18 + 20 + 4= 42 square meters