Which statement is the inverse of the following? "if a polygon has four sides then it is a quadrilateral"

a) if a quadrilateral has four sides then it is called a polygon
b) if a polygon is called a quadrilateral then it has four sides
c) if a polygon is not called a quadrilateral then it does not have four sides
d) if a polygon does not have four sides then it is not called a quadrilateral

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

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?

When is g(x) = 0 for the function g(x) = 5.23x + 4?