Answer:
Vvvgfffff
Step-by-step explanation:
Answer: non of those numbers
Step-by-step explanation:
all the numbers couldn't form a triangle
Answer:
a=-5
Step-by-step explanation:
divide both sides by -2: -5=a
a=-5
Answer:

Step-by-step explanation:

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

Substitute in the values of a, b, and c.





<h3>Hope it is helpful...</h3>
Answer:
hello,
answer C
Step-by-step explanation:
area of the rectangle=2b*b=2b²
area of the half cercle= 
Area in blue= 2b²-πc²/8