Answer:
C 
Step-by-step explanation:
Recall the mnemonics SOH-CAH-TOA
The tangent ratio is the ratio of the opposite side of the right triangle to the adjacent side.
From the diagram, the side opposite to <B is 2 units and the adjacent side is 1 unit.
This implies that;

The correct choice is C
Yes, I cannot draw a line because this is online. Sorry
Answer:f= 2/3x+1/3
Step-by-step explanation:
divide both sides by 3 to get the answer
Answer: C 20
Explanation: Plug in 2 for k.
2^2 - (2-10) + 4(2) = 20