Please help. Show your work too

30 yd

Step-by-step explanation:

c=a2+b2

Solving for b

34^2 - 16^2 which is 900

square root 900 and its 30

so b = 30 yd

a negative exponent is translated as follows:

so, we have

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.