jill has 20 foot ladder .the safety instructions recommended the base of the ladder be placed 12 feet from the wall . how high will the ladder be able to reach up the wall

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.