Identify the phrase that relates to the study of geography.
1 answer:
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Answer:
38.88
Step-by-step explanation:
72% of 54
= × 54
= 0.72 × 54
= 38.88
The square of a binomial expands as follows:
Expanding all the binomials, we have
Sum like terms:
Simplify terms appearing on both sides:
Move all terms involving k to the left and all numbers to the right:
Divide both sides by -20: