Subtract. 405,000,000−1.7×10^8 (a) 2.35 (b) 2.35×10^7 (c) 2.35×10^8 (d) 2.35×10^9

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?