7. six friends went to a basketball game. the
price of admission per person was $x. four
of the friends paid an extra $5 each for a
souvenir t-shirt. write and simplify an
expression that represents the total cost.

1. are the triangles similar and if so why? what is the value of x? show your work.

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

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?