Answer:
r = 4/(x+y)
Step-by-step explanation:
rx + ry = 4
Factor out r
r ( x+y) = 4
Divide each side by (x+y)
r ( x+y) /(x+y) = 4/(x+y)
r = 4/(x+y)
Answer:
c
you have to do whatever is in the pertussis
170 quarts/2 hours = 85 quarts/hour
85 quarts/hour * 36 hours = 3060 quarts
85 quarts/hour * 24 hours = 2040 quarts
I hope this helps you
x= -1
f (-1)= 2. (-1)^2
f (-1)= 2.1
f (-1)= 2
Here is your answer mate✌️
