Select all the correct anwsers. select all the equations with a solution of x = 3 a) 1/2x - 4 = 2 b) 0.4x - 0.8(x - 4) = 1.3x - 1.9 c) 1/4x + 7 = 31/4 d) x - 2(x + 4) = x + 2 e) 3(x + 4) - x = 18

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics