I am also confused on how you derived option a) P(white and odd) + P(even and not white)? Wouldn't we be missing a section that we should be including? (white AND even?)
Might be a dumb question, so I apologize in advance. But how are we grammatically sure that It refers back to intake of vitamin E? Aren't there quite a few potential nouns in between that can serve as antecedents (I realize that logically, It refers to vitamin E, but wanted to be sure on the rule he...
if x and y are integers and y=|x+3| +|4-x|, does y equal 7? 1) x <4 2) x>-3 I understand why the answer is c....any numbers used for x between the combined inequality range generates and answer of 7 for y. I got to the answer my picking numbers, but recognizing the trend took a little bit of t...
Is |x|= y-z? 1) x+y=z 2)x<0 So I know the answer to this question is C. I rephrased the statement as: is y-x >0 1) we see that y-z =-x or -(y-z)=x. This of course doesn't tell us whether x is (-) or (+) so this is insufficient 2) gives us no information regarding y-z, so not helpful alone Comb...
ron if instead we assign the variable "r" and "t" to denote Pablo's rate and time respectively and then correspondingly assign variables "r-5" and "t+1" to denote Al's rate and time, does the math (steps you go through to set their distance totals equal to 105...