Why is a 10% decrease of 1530= 1377
But a 10% increase of 1377 is not equal to1530

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

17 in long 1.3 ft wide and 8in high what is the volume

How can (square root of 25) ^2 be rewritten?