What is unknown addend?

What is the fraction or mixed number for the decimal 1? You invest 5000 in a Certificate of Deposit and receive annual interest of 8 percent for 7 years How much interest will investment earn during this period? How many numbers does a swift code have? How do you find the length of a side of a trapezoid? What is the answer to 497 minus 312 in Roman Numerals? What are the common factors of 50 and 95? What is Euler's theorum? What is the synonym for lone? What two signs signal the beginning of birth? What are the advantages of micrometer? What is the relationship between the short leg and the hypotenuse 30-60-90 triangle? What number is the fourth -smallest prime number in mathematics? How many inches is 830mm? Where did Mia go to school? What are 4 different names for a rhombus? What is the next number in the series 3-17-29-113-241.....? How do you add two negative number together? Two angles whose measure have a sum of 90 are? Did Pythagoras find the Pythagorean theorem? How many syllable are in javelin?