Answer:
It is A and D.
Step-by-step explanation:
One answer would be 1.50x + 3600 = 1200, because he sells x many bags for $1.50 each, and add 3600 to it
The other answer is 1.5(2400 + x) = 12000, this is equal to 3600 + 1.5x = 1200, the same as the first equation.
The other answers are all wrong.
Answer:
In ∆ABC AND ∆DEF
ABC=DEF...........each 90°
SIDE AB =SIDE ED...........given
SIDE BC =SIDE EF............B-F-C and E-C-F
∆ABC =∆DEF....................by SAS test
Tan80=5.67
2tan70+tan10=5.67
So tan80=2tan70+tan10
