Answer:
100
Step-by-step explanation:
All angles in a triangle equal to 180.
80+20=100
180-100=80
The line is 180
180-80=100
Answer:
w=2 w = -9
Step-by-step explanation:
w^2 + 7w - 18 = 0
We can factor this equation
What 2 numbers multiply to -18 and add to 7
9*-2 = -18
9+-2 = 7
(w-2) (w+9) = 0
Using the zero product property
w-2 = 0 w+9 =0
w=2 w = -9
Answer:
c
Step-by-step explanation:
i am a really good guesser and i think it is c
Answer:
70
Step-by-step explanation:
the 7 is in the tenths place of the number, so its value is 70
The answer for this question would be the letter c I think well I guess
