A polar curve is given by the equation r=100/(θ^2)+1 for θ≥0. What is the instantaneous rate of change of r with respect to θ when θ=0? A=-6
B=-6/5
C=5/2
D=26/5

The heaviest 16% of all men in weight weigh more than how many pounds ?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

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 =