Erica has 5 blue pens and 3 black pens and 6 red pens in her desk drawer if she randomly chooses a pen from her drawer what is the probability that she will choose a black pen

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Hich equation can pair with x + 2y = 5 to create an inconsistent system? 2x + 4y = 3 5x + 2y = 3 6x + 12y = 30 3x + 4y = 8

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?