How can i find the area of the figure

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1