Which shows a function for the sequence 16, 8, 4, 2, …?
A. f(x)=16 ∙ (2) (^x−1)
B. f(x)=16 ∙ ( 1/3 ) ^(x−1)
C. f(x)=16 ∙ ( 1/2 ) ^(x−1)
D. f(x)=16∙ ( 1/4 ) ^(x−1)

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.