Given the system of equations, what is the value of x + y?

x + 2y = 24
2x + y = 9
A) 9
B) 11
C) 15
D) 26

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.