Asouvenir shop sells a liquid-filled, triangular-based pyramid paperweight. the height of the base is 2 centimeters and the base length is twice the base height. if the height of the pyramid is 7 centimeters, what is its volume to the nearest cubic centimeter?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

How do we determine if they are made with matter