The area of this trapezium is 240cm2. Work out x
Parallel side: 12cm
Slanted side: 15cm
Perpendicular height: 12cm

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Given abcd ac=38 and ae=3x+4 find the value of x

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.