Extra Credit: An older method of estimating body fat percentage was to measure a person's average density (total mass divided by total volume), and apply a formula to convert a body fat percentage. Formula: BF = (4.57/p - 4.142)x100 (where BF = body fat and p = density in g/cm³. A man weighs 260 pounds. His total body volume is measured by a cylinder with a height of 180 cm and a radius of 14 cm. Find his body fat percentage, based upon the given formula (to the nearest percent).

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?