Answer:
D.(-1,-5) and (5,7)
Step-by-step explanation:
I used a graphing tool to graph the two equations together. When graphed, the equations intercept (5,7) and (-1,-5). Therefore, they are the solutions to the system.
Option D should be the correct answer.
Answer:
Otieno's age in 4 years: 
Kidole's age in 4 years: 
Step-by-step explanation:
= Otieno's age
= Kidole's age
Their ages will increase by 4 years when 4 years pass.
= Otieno's age in 4 years
= Kidole's age in 4 years
= Kidole's age in 4 years (after simplifying the expression)
I hope this helps!
Answer:
The price of a single printer cartridge is 19.69, in your given currency.
Step-by-step explanation:
First remove the tax and the software package from the total bill.

Since there are 3 cartridges, you divide 59.07 by 3, giving you the price of a single cartridge.

Answer:
17.5
Step-by-step explanation:
You have to find n right?
9+4n-79 = 0
-> 4n = 70
-> n = 17.5
Answer:
13.44
Step-by-step explanation:
she is right...........