Answer:
-33rs
Step-by-step explanation:
First, distribute in the first part of the equation.
3r(4r-5s)=12r-15rs
Now, distribute in the first part of the equation.
2r(-6r-9s)=-12r-18rs
Combine this together.
12r-15sr-12r-18rs
Combine like terms. (12r and -12r will cancel out to 0.)
-33rs
Hope this helps! Have a wonderful day ^^
The centre point is given by;

=

=

=(4, -5)
Your answer would be w-6=(number of black socks)
8.71428571429 is the answer
Answer:
Car C
Step-by-step explanation:
Car A: 40/4=10 km/L
Car B: 110/10 = 11 km/L
Car C: 48/4 = 12 km/L