What the straight line on the EKG is called?

What is the equivalent of 5 over 23 written as a decimal? How many times does 28 go into 269? Find the area of the triangle that has a base of 4.2mm and a height of 1.5mm? If two bananas and one apple cost and pound and one banana and one apple cost and pound how much does one apple cost? How will you measure the diameter of ball? What is the nearest number to 1000 but smaller than 1000 into which 38 will divide with no remanders? What is the formula for finding the degree in polygons? How much money would you have if you were given a penny double for fifteen days? What is 3.78 rounded to one decimal place? What is one million of a millimetre? Does the origin of an object always have to be at zero on a number line? What is a rule for evaluating expressions? What is 829.554 rounded to the Tenths place? How do you get the width of a rectangle with the perimeter of 58 inches and the length is 18.3 inches? What is the approximate cost of a furnace and ac for a 1000 sq ft house? Does nine plus ten equals twenty one? Is 6 into 19 equal to 19 into 6? What is the prime factorization of 2781? How do you Calculate cubic capacity of a fridge? What should be next in this series 1 2 8 48 348?