The coordinates of r is ( 4, -1 )
Step-by-step explanation:
option number B.......
Um... it'll take each pipe 80 mins, bcz if together they take that long, then to find the pipes time separately, you just multiply it by two to show it doing the work the other pipe did as well. Is that what you wanted??
Answer:
the answer is the 2nd one from my point of view u will understand so the solution set for the quality is the 2nd answer either way or
Answer:
A
Step-by-step explanation:
44 - 15 =29
