tuana gave half of her marbles away. if she gave some to her sister and twice as many to her brother, and had 6 marbles left, how many marbles did she give her brother?

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1