Does an arrowhead sometimes have 4 sides?

How long does it take to travel 30 miles at 22 miles per hour? How do you write 1047 in Roman numerals? Is there some website or something where you can put in some odds eg 1 in 3 then press a button and it will tell you if it is a success or failure? What is the value of pi in decimal places? In how many ways can 8 cds be stacked? How should 0.01 be written in words? What does 64 look like as a decimal? What is 2 to the power of1? What does the word installments mean? How do you solve 152 over 12? What is 4x37? How did the ancient Eqyptions use geometry? Which number is bigger 9.8 9.80? What is 2 divided by 2 as decimal form? What kind of problems did proressives attempt to solve? What is the measure of the interior angles of a polygon with 14 sides? Is 33 divided by 7 epuals 4 r5? What is 139 divided by nine? How solve 275 from 2.75? What is 32 as a power of 4?