Answer:Jack is 9 and the father is 43
X=1, x=-7 would be the correct answer.
Answer:
between 12 and 13
Step-by-step explanation:
answer is 12.4
Answer:
(12x²+4)(x-5)
Step-by-step explanation:
To factor the expression factor by grouping.
(12x³ - 60x²) + (4x - 20)
12x²(x - 5) 4(x-5)
(12x²+4)(x-5)
Answer: I'm not to sure about this question its kind of confusing.
Step-by-step explanation:
