Add or Subtract $\sqrt { 49 } + \sqrt { 720 } + \sqrt { 100 } + \sqrt { 405 }$

question 320

Multiple Choice

Add or subtract. Assume all variables represent positive real numbers.
- $\sqrt { 49 } + \sqrt { 720 } + \sqrt { 100 } + \sqrt { 405 }$

• A) \(\sqrt { 720 } + \sqrt { 405 } + 17\)
• B) \(21 \sqrt { 5 } + \sqrt { 49 } + \sqrt { 100 }\)
• C) \(225 \sqrt { 5 } + 17\)
• D) \(21 \sqrt { 5 } + 17\)

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