An equilateral triangle has a semiperimeter of 6 meters. what is the area of the triangle? round to the nearest square meter.

What is the standard form of -5x^2+2x^4-11+x^3+3x

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Which polygon is she in the process of constructing ?