How many cement blocks in a 6ft high and 16 ft long wall?

How many hundreds are ther in a thousands? What does 36 x 20 x 21 mean? How much is 3 plus 3 x 3 - 3 plus 3? What year was it fifteen years ago? How do you which unit of conversion factor must be the denominator? How many twos in deck of 52 cards? 5 xto the power 2-25x plus 30 equals? What is its linear equation and how would you write in standard form if x plus y to the second power equals 25? What is area formula for a triangle? What is a polygon with 5 sides and no angles are same called? What is circumference of circle if diameter is 11? How do you write 10 000 in roman numerals? How do you find the perimeter if the radius is 100 millimeters? How do you find your roll no of CBSE? Why is it important to know different shapes and actions your body can do? What is zero divided by zero is it one or undefined? What is the maximum operating pressure for 3 inch diameter SDR17 PVC waterpipe? What does 30 min. look like? What is the area of Sommepy-Tahure? What is 5x-2y equals 10 in slope intercept form?