Answer:
Option C. 
Step-by-step explanation:
we know that
The discriminant of a quadratic equation of the form
is equal to

in this problem we have
so

substitute



Answer:
1884.785
Step-by-step explanation:
24.5 × 24.5=600.25
600.25 × 3.14=1884.785
Answer:
31
Step-by-step explanation:
add the 2 angles given
37 + 25 = 62
then take half of that 62/2 = 31
angle 1 = 31 degrees
Answer:
x=7
Step-by-step explanation:
3x-9=12
add 9 to both sides
3x=21
divide both sides by 3
x=7
Elena bought 3 packs of sandwich buns because 8 goes into 24 three times
Hope this Helps!