The upper-left coordinates on a rectangle are (-6,0), and the upper-right coordinates are (-4,0). The rectangle has an area of 12 square units.
Draw the rectangle on the coordinate plane below.

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15