<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
</span>
A rectangle is a shape made of two squares
Search it up on the internet they should give you the answer
Answer:
t=20 4=5 =6 =8 =9 10
Step-by-step explanation:
And that is iy
See the attached picture.
First calculate the length of each side.
Using the side length multiply by the number of sides to find the perimeter.
Then the area is 1/2 x perimeter x apothem.