Suppose that we have constructed a 95% confidence interval for the true mean salary of graduating business majors: (50k, 70k). Based on this interval, what was the sample mean salary of our sampled business majors?a. 70kb. 55kc. 65kd. 60ke. 50k

Ten times the square of a non-zero number is eqaul to ninety times the number

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0