Without graphing, classify each system independent, dependent, or inconsistent

15x = 10y - 20
18 + 9x = 6y

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points