20 oranges are in a bag. if they are cut into fifths, how many fifths are there all together?

Which formula gives the area of a triangle? a=1/2(b+h)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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.