What is the prime factorization of 140? A 2^2×3×7 B. 2^3×7 C. 4×5×7 D. 2^2×5×7​

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

41/17 as a decimal rounded to the nearest hundredth

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?