Write a system of equations to model each situation. Use any method: Substitution or elimination: The ratio of incomes of two people is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes?

i think asking google will you get the answer to that question

the answer is 8/21

hope this

hello,

as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)

1k

step-by-step explanation:

-6k+7k

(-6+7)k

1k