Do you add or multiple when you are finding the area of a parallelogram?

What is 20 percent off of 130.00? How would you write 6.23 million? Have a 1984 Chevy Caprice Classic with a 5.0 Liter LG4 engine. I think it could be a 307 because the timing says to set it at 20 degrees BTDC and the Hayes manual lists 20 deg. as the set for 85 307? Is 72 divisible by 9 8 6? Why are people concerned with provisisions in section 215? What is the longer race 5000 meters or 3 miles? What shape has a perimeter of 30 square units? How tall is 15 inches? How many 3 digit numbers are odd? What is a sample question for pi? What is the roman numeral for the 20th century? Is 752 divisible by 8? When a multiple is shared by two or more numbers that multiple is called? What polygon has 5 straight sides? What is the etymology of the word geometry? What number is a prime number 39 50 67 77? How many minutes of commercials in 1 hour tv show in 1980? What are some geometry terms that start with the letter f? What us the ratio of 190 minutes and 3 hours? 28.35 X 8 equals?