Answer:
<em>(1). </em><em> × </em><em> ; (2). 3 - 5x</em>
Step-by-step explanation:
1). [( - 5 )³ · ( - 5 )] ( · ) = × = × = ×
2). - 25x² ÷ 5x + 15x ÷ 5x = <em>3 - 5x</em>
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6 is the answer
pencil/pen=3/5
5pencil=3pen
1 pencil=3/5 pen
1 pen=5/3pencil
pencil/10=3/5
pencil=30/5=15