An airplane is flying from New York City to Los Angeles. The distance it travels in miles, d is 0.15 per second of time, t. this is not part of the question. > if you give me the answer or solve this whatever You will get 100 points!!

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.

How to do this , and can some one explain

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?