Answer:
The expression simplifies to
.
Step-by-step explanation:
The expression

can be rearranged and written as

In this form the
terms in the numerator and in the denominator cancel to give

The
are present both in the numerator and in the denominator, so they also cancel, and the fraction
simplifies to
, so finally our expression becomes:

Which is our answer:)
Answer:
a+b=b+a
Step-by-step explanation:
so 7+4=12 and 4+7=12 so addition is commutative
Answer:
1. Not accounting for the difference in the base of the exponent when applying the quotient rule.
2. Not subtracting the exponents of the denominator from the exponent of the numerator when applying the quotient rule.
Answer:
the slope or rate of change is 8 over 6 or 4 over 3 4/3