What did the 144000 people have on their foreheads?

What is the difference between linear and branching evolution? Can an obtuse isosceles triangle has two congruent sides and two obtuse angles? What are some geometry terms that start with the letter f? How do you round 10.75 to the nearest one hundreth? 100000000 plus 20000000 plus 5000000 plus 600000 plus 90000 plus 600 plus 4 plus 0.1 plus 0.09 in standard form? How many earth hours in 1 day on Saturn? What are the maximum and minimum dimensions for cobble particle sizes? What whole number is six unit segments to the right of -4 on the number line? Which is bigger 40 percent of 200 or 13 percent of 150? Is scientific notation exponential notation? How do you draw 3D? What is 0.5 percent of 38? How many yards squared in 15 feet squared? Is four fifteenths equal to two fifths? How do you calculate the square meter of 25.8? What is a person called who just treats the feet? What is the difference between a fractional inch rule and a decimal inch rule? What are all the multiples of 5 from 1 -100? Where is the 882 prefix in area code 310? What time is it when the big hand is on the 6 and the little hand is on the7?