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Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125