What is unknown addend?

What is the width if the length is 72? How would you write 58.9 million in numbers? How does solving linear inequality differ from solving linear equation? How many significant digits are 204.0920? The base 10 logarithm is called the logarithm and is often written as log x instead of log10 x? What is the difference between 7342 and 5579? What is .75 times2? What are real life examples of a piecewise function? What is 7 over 18 in simplest form? How many times does 6.9 go into 524.4? How do you find an integer is 2 bytes? Which number is greater 0.132 or 0.123? How do you solve x plus 6 over 2 equals 9 over 5? When you multiply by 10 what do you add to the end of the number? Is 0.90 greater than or less than 0.9? How many syllables are there in the word grand? When was Balitang K created? What is 320 km per hour in miles? What kind of graph is most useful when you want to show data that are parts of a whole? What is 3 h to the 5th power times 4 h to the 6 power?