What is the midpoint of 18 and 24?

How do you write 776 ten-thousandths in standard form? -4 plus 10 -5 plus 3 equals? What things is 15 cm long? How do you determine if you can multiply two matrices? The diameter of a round dinne plate is 10 inches what is the area of the plate? What is 6.75 4? What is the mathematical meaning of the word mean? What is 980 over 1000 in simplest form? 500 yards is what fraction of a mile? If I wanted a square block of cement weighing 5000 lbs what would it look like? What is the smallest positive integer value of n such that 63n is a multiple of 14? How many gallons is in 84 qt? How many squares of toilet paper in 1 roll? How do you write 1309 as a product of prime numbers? What is the formula to calculate density and units? How many grammes are in 3 quarters of a kg? Which books in the Bible are referred to as Pentateuch? What is the nth term for 0 1 3 6 10 15 24 35 etc? What is defining the problem in statistical investigation? Is 2 yards and 60in a ratio yes or no?