Why are you allowed to move the decimal points before dividing with decimals?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12