The discriminant is b^2 -4ac
a = 1
b = -2
c = 4
discriminant = 4 -4 * 1 * 4 =
4 -16 =
-12
I get MINUS 12 as the answer but that isn't one of the choices.
4 1/4 is in 2, idk i looked it up lol
16
––
30
because there are 30 inches in all and 16 out of the 30 are concrete
Answer:

Step-by-step explanation:
A pentagon's angle all add up to 540


Answer:
logₐ(420)
Step-by-step explanation: