Suppose angle abc is congruent to angle xyz, angle y =70 what is angle c

Solve 2x+y=3 x+y=5 in substitution method

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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