Central Park is a rectangular park in New York City and the map scale is 1 cm: 320 m (It means 1 cm on the map represents 320 m in the real world.). Find the north-south distance if the length on the map is 2.5 cm.

Which graph represents an even function?

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true