Comparing and ordering fractions: 1/2,2/5,6,10

i need to know smallest to greatest

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)