What is the word expression for 20 5x9?

Can a 6inch by 6inch post be used as support beam to hold a 14 foot by 14 foot build? What is One half minus three eighteenths? Is 0.4 a prime number? How do you write 23 in digits? What type of polygon is needed to make a tessellation? How long does it take to go 145 miles by car at 70 miles an hour? Prices are increasing by 4 percent per year Give the correct formula If time t is measured in months then the price of a 800 dollar item at the end of one year? How many meters are there in 140 yards? Is -6.4 less than -6.5? How many years is 1 billion? What does andremeo mean? What is 8.15 plus 7 percent? What is 3 out of 9 as a percent? How many syllables in watch? How do you work out 4 ninths of 27? What is the diameter of a penny in inches? How does subtracting the same amount from each value in a set of data affect the mean median and mode? What is the GCF of 28 and 14? How many three digits can be formed from the digits 0 1 2 3 4 5 and 6 if each digits can be used only once? The sum of the squares of the two larger of three consecutive even integers is 12 less than 4 times the square of the smaller one. Find the integers?