Please dont guess i need the answer asap

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Select the lengths in centimeters that would form a right triangle