Answer:
3/10, 30%
Step-by-step explanation:
the shaded region is 9/30 which is equivilent to 3/10 and 3/10is 30 percent.
hope this helps!
Answer: concave
There are infinitely many solutions.
Algebraically, we can eliminate and try to solve for :
Then
which is the equation of an ellipse.
87 ?