I think is A Please tell me is right?
an example that opposes or contradicts an idea or theory.
A/3=7/10
21=10a
a=2.1
100a=100*2.1=210
A. $14.99 .. do $49.98/2 = $24.99 and then subtract $10.
B. $19.99 .. do $49.98-19 = $39.98 and then divide it by 2.
Answer:
Step-by-step explanation:
2: exterior and opposite
3:supplementary
5: angles and equal
6: supplementary