What is the y-intercept and the slope in the equation y=500-50x

The only way to identify an intercept is as an ordered pair. true false

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.