Urgent answer ! an object in free fall has its distance from the ground measured by the function d(t) =–4.9t^2 + 50, where d is in meters and t is in seconds. if gravity is the only acceleration affecting the object, what is gravity’s constant value (include units in your answer)?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?