Without evaluating each expression, determine which value is the greatest. Explain how you know. a.7 ⅚ - 9 ¾
b.(-7 ⅚ ) + (- 9 ¾ )
c.(-7 ⅚ ) ⋅ 9 ¾
d.(-7 ⅚ ) ÷ (- 9 ¾ )

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?