Anatural gas company is laying gas pipe underground to connect new customers in a subdivision. each pipe is 18 feet long. if the total length of pipe needed for the new customers is 810 yards, how many pipes will the gas company lay underground?

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

What are “like terms”? why can we only add like terms?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.