How many hours is 7am-3pm with a 30 mins lunch?

When two line equations have the same slope but different y-intercepts are they parallel? How many times is fight mentioned in the bible? What decimal is equalivent to 10 over 11? What is the probability of a homozygous offspring? How many times can 13 go into 28? What is the largest three digit number using numerals 4 and 8? How many tens go into 1000? What is the smallest 6-digit even number you can make that has a 6 in the hundreds place? What is 5 percent of 638? Why does a kite have a short and long side? What is the surface area of a cylinder whos height is 4 cm and diameter is 24 cm? How many significant figures sre there in 6.023 x 10 to the twenty third power? What do you get when you do 4 times 7? What are the two basic approaches analysis? What is an example of a equal set? How many factors are in 384? What were the houses like in 1750? How do you solve algebraic expressions? How many in in 5 ft? Why is a horizontal lines called horizontal?