What is 6a-a-a-a?

What is the name of solids with four or more faces? How do you write -4 in decimal form? What is the dimension of a water closet? How much does one sheet of wide ruled filler paper weigh in grams? How many paving slabs needed for 14ft by 14ft? Where and when to use sampling technique? In an endurance race Alyson rode her bicycle 7 miles less than Jeff Together they rode 39 miles How far did Alyson ride? What word is the opposite of doubts? If you roll a six sided dice six times you will roll an even number at least once True or False and how did you get it? How many meters are in 784 cm? 1.4 miles equals how many feet? What is the detention time in hours of a 120 foot diameter tank that holds 40 foot of water with a flow of 1.4 Million Gallons Per Day? Has the Garden of Eden been destroyed? What does x111 mean in roman numerals? A vector may be resolved into only two components? How many square yards are in 865 square feet? What is the probability of drawing a queen and a heart in two separate draws with card replacement? Is the beta distribution closed under convex combinations viz is the convex combination of two or more beta distributions also a beta distribution? The number of months in a century is how many times greater than the number of years in a century? What do you mean by ambiguous?