What is the value of x, rounded to the nearest degree?

71

Step-by-step explanation:

You us SOH CAH TOA

In this case you use SOH also called cosine.

This means cos(x)=adjacent/hypotnuse

Now you plug in the numbers

cos(x)=4/12

You put this in your calculator and get

70.5287794

Which then can be rounded to

71 degrees

bn,mn,n.vn.

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c