Which phrase does not describe a mineral a. crystal structure
b. naturally occurring
c. specific chemical composition
d. organic solid

The graph of which of the following will be parallel to the graph of 4x – 3y = –12? a. y= 4/3x -3/2 b.6x-4y=-8 c. y=3/4x+1 d.4x- 2y=-12

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

X+y=-4 x-y=2 use elimination with adding and subtraction