.Amy is selecting a water delivery service. Company (A) charges a $15 fee and $8 per gallon. Company (B) charges a $25 fee and $6 per gallon. How many gallons will Amy have to buy each month for the cost of water in the two companies be the same.

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

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

Which statement justifies why angle ebc measures 90?