Supplying fresh air to a smoke-free stair entirely from the top or bottom is not advisable because:

Evacuation and fire protection in high-rise buildings can be problematic because fire fighting equipment cannot usually reach higher than:

What are needed to define a location of the Earth using the most common spherical coordinate system? (This is not an essay – simply state the answers)

Data models of the world 

Why should GI Science be an “interdisciplinary” science? (Use one to two sentences)

When converting the three-dimensional coordinates (x, y, z) into a two-dimensional space in map projection, the x and y dimensions are preserved, but the z-dimension is often compromised.

This is a valid latitude or longitude (possible on the surface of the Earth): W -179° 59′ 59.99″

What are the three types of geometric properties that projection can preserve?

Write an equation in slope-intercept form for the line that passes through the points:

Find and simplify the difference quotient: