157.86/15=10.52
Step-by-step explanation:
7x+4 is the correct awnser(i think)
Answer:

B. 20
Step-by-step explanation:
<em>First, you divide by 5 from both sides of equation.</em>
<em>
</em>
<em>Simplify, to find the answer.</em>
<em>
</em>
<em>
, which is our answer.</em>
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:
3 7/8
Step-by-step explanation:
6 1/4 = 25/4 and 2 5/8 = 19/8
25/4 - 19/8 = 3 7/8