Asking this again!! The length of each side of a square was decreased by 2 inches, so the perimeter is now 52 inches. What was the original length of each side of the square?
The possible answers are: 11, 13, 15, or 17

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Can someone explain to me how to do

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?