When added, angles B, C, and D should all equal ___ degrees.

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

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42