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

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Which of these triangle pairs can be mapped to each other using two reflections?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.