Which ordered pair is a solution of the equation 5x-3y=-12 A) (-3,-1)
B) (-1,-2)
C) (-1,-3)
D) (-2,-1)

PLEASE EXPLAIN ANSWER

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?