The system shown has one solution; convince me that the solution exists without solving it or graphing it?
2x - y = 5
x + 3y = -8

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

If square root x = -7, then x= -49 true or false

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building