What time table equals 84?

If the feasibility region shown below find the maximum value of the function? What is the product of prime factor of 69? What is vertical panel saw? What is a simple closed figure? How much sand is needed for a 16 X 32 pool? What are high-elevation rivers of air that travel between 120 and 240 kilometers (75 and 150 miles) per hour in a west-to-east direction? How many sheets of drywall there are in 3000 square feets? What is 93000000 written in scientific notation? What rectengle make 4 and 6 tiles wide? How do you wirte 432 expanded notaion? What is 32 over 9 as a mixed number? Why do flies always bring their stopwatches to parties integer expressions? How many cards are there in cardcaptors? What does the 20 mean in the Ferguson 20 tractor? What is 7.1 million times 1000? How many concrete blocks to a square metre? What is one-quarter of an hour? How do percents show the relationship between quantities? How many cubic feet are in 23 by 33 inches? Who were the two figures that develop the five-step process known as the scientific method?