Andrew's sandwich consists of a 20-gram piece of cheese, a 60-gram piece of turkey, and two 30-gram slices of bread. What is the total weight of Andrew's sandwich, in kilograms?

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The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

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 =