Question

SEE ATTACHMENT :)

Answer 1

The graph has a 90 degree angle, so all you have to do is find the number that will make the equation equal 90.

Answer 2

9

7

Not enough information given

20

Answer 3

which one?

Answer 4

x=9 lol.

Answer 5

hmm.
7(9)+27
63+27
90.

Answer 6

set it equal to 90, so
7(x)+27=90
-27 -27= 7(x)=63
/7 /7 = x=9

Answer 7

x=9 equation must equal 90 degrees for perpendicularline intersection ;-)