An ellipse is graphed. Which statements about the ellipse are true? Select three options. The center is at (−2, −5). The distance between the center and each vertex is 10 units. The covertices are at (−2, −4) and (−2, −6). The distance between the center and each focus is units. The directrices are horizontal lines approximately 5.1 units from the center.

7x+8y=-18, 4x-9y=-3 solve the system of equations

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

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?