Whitney earns $180.50 for 25 hours of work how much does whitney earn per hour

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?