12.4 / 6.2 = 2
SF = 2
The original rectangle has a perimeter of 16
Perimeter of the enlarged rectangle = 16 x 2 = 32
Answer: 32 feet
Answer:

Step-by-step explanation:
If each whales weighed

Then 30 whales weighed



Applying the law of indices we obtain


Answer:
-12x
Step-by-step explanation:
36÷(-3)= -12
To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations.
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