X^2+4x+10=0
x^2+4x=-10
x^2+4x+4=-6
(x+2)^2=-6
x+2=±i√6
x=-2±i√6
So the correct answer is the third one down from the top.
Answer:
9/25
Step-by-step explanation:
36% = 36/100 = 18/50 = 9/25
We are to form the combination of 6 objects taken 2 at a time. This can be expressed as 6C2

This means, there can be 15 different combinations of 2 members that can sit in the front row.
So, the answer to this question is option A
She can only make 2 trail mixes
53-49=4
4 times 12=48. the unknown number is 48