A ball is thrown from a height of 61 meters with an initial downward velocity of 6 m/s. the ball's height h (in meters) after t seconds is given by the following. h=61-6t-5t squared. how long after the is thrown does it hit the ground?

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Find the solution of this system of equation -7x+y=-20 9x-3y=36