How much is 7.5K equal?

What is the answer to 4x-5y-3 times 3x plus 5y? What is 3 to the 722 power? What is 22 percent of 78? How do you know on which axis the independent lies on? Why is 24 not the GCF of 24 and 36? Palindrome for wall covering? How much does a 4 x 8 sheet of plywood weight? What is 13.62 - 4.9? What is the base to 10 to the 7th power? What is 1.5 times 0.35? What are some situations when levity is out of place? How much is a claw foot tub worth? Where d oes notrogen come from? How do you say 1000000 in written form? What is a confidence interval in statistics? What toiletries allowed on planes? What is 706.628 to one decimal place? What tool is used a lot of numerical information in a very small area? What is -13 plus 34 equal? What is 125 times ten-thousand?