Ireally need a school band ordered hats for $2 and large t-shirts for $5. they bought 100 items in all for $380. use a graph system of equations to find out how many hats and t-shirts the band ordered. the band ordered hats and t-shirts.

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

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?

Secant be and cf intersect at point d inside a what is the measure of cde