Calculate the angle between the line AQ and the base

15POINTS

PLS HELP

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.

50 points~ ! i have to turn this in tomarrow

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x