The last answer would be what your looking for !
Dont come for me if this is wrong, hoped I helped.
KINDEST REGARDS !
Answer:
In the operation, simplify
9-a² = (3-a)(3+a)
Factorize
4a²-4a-24-------------------divide each term by 4
a²-a-6-------------------------factorize
a²-3a+2a-6
a(a-3)+2(a-3)
(a+2)(a-3)
Factorize
a²-6a+9
a²-3a-3a+9
a(a-3)-3(a-3)
(a-3)(a-3)
Rewrite operation as

Multiply by the recipricol

cancel the similar terms

Answer:
hey ok
Step-by-step explanation:
a
C’(500)=80 means at 500 pounds of documents, the cost is increasing at a rate of $80 dollars/pound
(46/3)-6=9
Her daughter is 9 years old and her mother is 37.