Yara multiplies and divides a certain number by the same power of 10. the product she gets is 40,00 0 and the quotient she gets is 0.4. find yara’s number and the power of 10 she used. explain your reasoning

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

Someone me! if you’re smart you can solve this!

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?