What are the 4s facts in math?

Is 217 divisble by 8? Is 25 is a prime or composite? What is the answer if you add 4 to each prime number between 20 and 40then find the sum? How do you you get the radius of a circle if you know the circumference? How is 121 a square number? What is aptt and its significance? What is 9.38 as a fraction? How much glucose is in one liter of 5 percent dextrose in water? What does this equal 9m plus 8-4m plus 7-5m? How do you Convert 1.9658282 mm cubed to gallons? What is 0.6 percent of 4500? This vocable will reach it from the center of the wheel to his room in the circumference of the rim of the will is 48 inches how long is each spoke used 3.14 for Pi and Round answer to the nearest hu? One tmc is equal how many liters per second? How do you find out if a number is a Triangular number? How many twin primes between 2 and 200? What number has a factor of eight? 8 hours minus 15minutes? What is homelitics? 4ft by 12ft area of triangle? What is a simbol?