At its peak, an online shopping site was selling about 420 items per second. At this rate, how many items would it sell in 30 minutes (1,800 seconds)? The online site would sell how many items in 30 minutes.

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

900 degrees

step-by-step explanation:

replication and blocking

step-by-step explanation:

noncoplanar points are points that do not lie on the same line.