45degrees because angles can not be negative
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.
Answer:
2
Step-by-step explanation:
X^2+Y^2=4=2^2
Answer:
e = 30h 390 dollars after 13 hours
Step-by-step explanation:
e = earning
h = hours worked
e = 30h
30×13=390