How many times as much energy is released by an earthquake of magnitude 8 as by one of magnitude 2? a) 10^6 as much energy b) 10^4 as much energy c) 10^9 as much energy d) 10^2 as much energy

What is the area of the trapezoid shown ?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

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