To do this you need the mean.
(81*9+70)/10 that is the mean equation.
Solve.
(799)/10
79.9
79.9% Will be your grade or a C
Answer:
The intersection of the sets A, B, and C is Bird.
Set B contains Fish, Lizard, Turtle, Bird, and Dog.
The answer would be yes. It takes 10 milliliters to make 1 centiliter.
The answer is 1.9! Explanation: 20.3-18.4=1.9