What is benzophenone-3?

It is the distance of an object travels in the given amount of time? How many fours are in 352 pages? What is 90 divided by 180? How do you Estimate 44.25? What is 0.008 divided by 0.64? 20 plus -100 x 5? Roman numeral for 79? Are parallel and perpendicular lines opposites? How do you convert 9 feet to 5 yards? How binary sequence of 15 is 1111? Why do tyres have air in them? Who constructed the golden rectangle? How to write One hundred thousand and five hundred dollars? Where equal sign originate? What is sum and difference of binomials? Which function is the inverse of F(X) BX? The top of a bed is 35 square feet if the bed is 7 feet long how wide is it? How do you convert 11 and one third percent to a fraction? How can i carry decimals two places? What other piece of information must the axis on the graph include?