"The mean mass of golf balls produced at our factory is 46.4 grams + 0.37 grams. The results are accurate 18 times out of 20."

what's the confidence intervals?​

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?

0. a square do not enter sign has a height and width of feet. will the area of the sign be greater than or less than 2 1/2 square feet? explain how you know and then find the actual area.