Which picture frame has an area of 54 square units

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Which of the following tables represents exponential functions?

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.