Lerato ran 1320 meters in 3 minutes 40 second. what is her average speed for the race in meters per second?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?