so you find out how to find the perimeter which is to add all the sides so then im guessing the length is 12 and there are 2 length so i multiply it by 2 which gives you 24 and subtract that by 169 which is 72.5 and then multiply 72.5 by 12 to get you your area
For this case we have the following sentence: "a number x plus 11" We want to write this phrase as an algebraic expression. We have then: a number x: x plus: + 11: 11 The algebraic expression is: x + 11 Answer: a number x plus 11 is: x + 11