(Geometry) What is the relationship between the median and the two bases?

1. The median is half the difference of the two bases.

2. The median is half the product of the two bases.

3. The median is half the quotient of the two bases.

4. The median is half the sum of the two bases.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction