Chile's Villarrica volcano is about 9,000 feet high. A glacial cap and snow cover everything above about 5,000 feet. Approximately what percentage of the volcano's height is not covered in snow and ice?

What is 0.7 repeating as a fraction

a city currently has 122 streetlights. as part of a urban renewal program, the city council has decided to install 2 additional streetlights at the end of each week for 52 weeks. how many streetlights will the city have after 34 weeks?

Is 1 over 3 rational

What's 4b-1b+3 in its simplest form

Have you ever been swimming in a pool, and your eyes were red when you get out? This means the chemicals in the pool were not adjusted correctly! More specifically, the measurement of the pool's pH was not quite right.

The length of a rectanglewith area 54 square centimeters is 9 centimeters. What is the perimeter of the rectangle, in centimeters?

How many different ways can you cut a rectangular prism into halves?

A machinist can produce 110 Parts in 8 minutes at this rate how many parts can The Machinist produce in 20 minutes

3. Seven less than twice a number is 5.

Find all solutions to x^3-2x^2-3x=0 in Z12