Michells aim to swim a total of 23 miles in 4 weeks. The table below shows the number of miles she swam in the first 3 weeks. How many more miles does Michelle have to swim in week 4 to reach her target?

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.

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?