Answer:
D
Step-by-step explanation:
-(-4)=+4
so it is -20+4
Answer:
A percent is a ratio of the parts to the whole
Step-by-step explanation:
If you had 30/100, 30% as a percentage, 30 would be the parts and 100 would be the whole
Answer:
B
Step-by-step explanation:
the supplement is the angle that will add to the other angle to get 180 degrees. 180-129=51 which is B.
Answer: A. 40
Step-by-step explanation: