The harper family drove 510 miles on their vacation. mr. harper and mrs. harper took turns driving. mr. harper drove 4 times as far as mrs. harper. how far did each drive

Which expression gives the area of the triangle shown below

Which of the following is true for the relation f(x)=2x^2+1

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.