Frank wants to buy an entertainment system that costs $500, including taxes. To pay for the entertainment system, he will use a payment plan the requires him to make a down payment of $125, and then pay $72.50 each month for 6 months. What is the percent increase from the original cost of the entertainment system to the cost of the entertainment system using the payment plan?

Which ratio is equivalent to 10: 85

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain