It means that (x,y) is now (2x, 2y)
Ex. (3,1) -> (6,2)
Woohoo! :D
But aren't they keys that lock something?
But you can have a heart under LOCK and key.
A keyboard.
It has KEYS, it has SPACE, and you can ENTER.
4x+12.
4*x=4x
4*3=12
4(x+3)=4x+12
-2.3-(4.5-3.5) = -3.3, so C is your answer.
i76
sqrt3(324000) = 68.6828545531999121
2y>-8
y>-4
-3x+y>=-5
y>=3x-5
Graph the lines and then follow the rule shown on the site: http://www.purplemath.com/modules/ineqgrph.htm
