Answer:

Step-by-step explanation:
The picture of the question in the attached figure
we know that
----> by SOH (opposite side divided by the hypotenuse)
we have

solve for BC

substitute the values


I think 180 that should be your answer sorry i did not get here quick enough
Answer:
d
Step-by-step explanation:
Try using simple numbers like 1 as x and then try with the different functions until it works
Answer: -6p - 78
Step-by-step explanation:
-5 (3p + 3) + 9(-7 + p)
-15p -15 - 63 + 9p
-6p-78