Solve the problem.A ball is dropped from a height of 15 m and always rebounds 
of the height of the previous drop. How far does it travel (up and down) before coming to rest?
A. 75 m
B. 30 m
C. 45 m
D. 90 m
Answer: A
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?A polyhedron is regular if which of the following is true? ?
A. ?All of its faces are congruent polygons. B. ?n-vertices are formed with (n + 1) - faces. C. ?Often called an Archimedean Solid. D. ?All of its faces are congruent regular polygons and n-vertices are formed with n-faces. E. ?a and c are true.
- 
A. 
B. 
C. 
D. 
Decide whether the statement is true or false. If it is false, tell why.If k is a positive integer, then x2 = k will have one rational and one irrational solution.
A. True B. False; there will be either two rational solutions or two irrational solutions. C. False; there will always be two rational solutions.
Write the statement in algebraic form.The sum of 19 and a number
A. 19n B. 19 - n C. n - 19 D. n + 19