Eunice runs around an oval quarter-mile track, completing one lap every 2 minutes and 30 seconds. at this speed, how many seconds will it take him to run a mile?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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