Two trains leave the station at the same time, one heading east and the other west. the eastbound train travels 18 miles per hour slower than the westbound train. if the two trains are 680 miles apart after 4 hours, what is the rate of the eastbound train? do not do any rounding. miles per hour

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Solve the equation by completing the square. x^2+2x=17