What does markup mean in math terms?

What was the doors first number 1 hit? What is the percentage of 4 out of 24? What can be a smaller part of a larger teme? What are the measure of skewness? What is the LCM of 37 and 11? What is greater 200MB or 5GB of data? A 17 percent increase of 200? What is 2yx PLUS 2yx? What is and or are ngentot? What is the sign of an empty set? How much zeros in 250k? How many square feet in a 20x30 room? What is the Roman Numeral for 3479? About how many inches do I need to raise the headboard of a 91-inch long queen size mattress in order to get a 5 degree incline? Are squares and pentagons alike? What is Avogardros hypothesis? What is 1.72 times ten to the fourth power in standard form? What is the additive inverse of the additive inverse of 45? How to write four hundredths of an ounce? How many minutes is 20 hours?