Which statement about f(x) = x2 + 4x – 21 is true? A. The zeros are – 7and -3, because f (x) = (x + 7)(x + 3)
B. The zeros are 3 and 7, because f(x) = (x – 3)(x – 7)
C.
The zeros are –3 and 7 , because f(x) = (x+3)(x – 7)
D.
The zeros are –7and 3 , because f(x) = (x – 3)(x + 7)

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

answer: the answer is ann

answer: list the statements and i will follow up!

step-by-step explanation: