Choose the expressions that are sums or differences of two cubes. 64 + a^12b^51
-t^6+ u^3v^21
8h^45 – k^15
75 – n^3p^6
-27 – xz^9

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

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Graph the equation 8x - 4y = 56. then, trace the graph to find the missing value in the coordinate pairs below: (-10, 140 ) (0, ) (2, ) (4, ) ( , 0)