How do you rotate a shape 90 degrees clockwise?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

What expression is equivalent to 1/2(2+3x-6)

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.