A) 5x^3 +2x - 1
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$90 $27
100% ?
?=27x100 over 90(criss-cross method)
?=30% off
Answer:
They are discounted for 38% off.
The commutative property is shown. It states that an equation has the same value as it would even if the numbers were mixed. In this equation, the 2 and the 3 are switched within the parentheses, so it still has the same value.
Answer:
The author is trying to say that learning from before is not just learning acient times, but is also learning people of the past, how life was, and ways of living.
Step-by-step explanation: