Answer: C.V=C1.V1 +C2.V2
Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%
Answer:

Step-by-step explanation:
THE SLOPE IS 1 AND THE Y INTERCEPT IS -3, the x is equal to 1, and the -3 is in the place of the y intercept so your answer would be A.
Y=x^2 moves right 4, down 9.
Answer:
there are 5040 arrangements.
Step-by-step explanation:
i hope this works