Answer:
4
Step-by-step explanation:
(s + 3t) * (2s - 2t) = 2s^2 - 2st + 6ts - 6t^2
Answer:
B is correct
Step-by-step explanation:
-(-x) = x, because a double negative like this equals a positive.
Therefore, you are actually saying -x+x= 0 which is true.
Angles in a triangle adds up to 180
All you do it 59+69 which is 128
Then you do 180-128 the answer is 52
