The correct answer is C.
Perpendicular lines have opposite reciprocal slopes. This mean you will flip the original number upside down, and change its sign (negative to positive and vice versa). So, the opposite of -1/4 will be 4.
Connect the bdc letters together.
Answer:

Step-by-step explanation:
h(x) + g(x) = 

80x70= y and then 400 - y= your answer! Ignore the four in. Deep part