This is not from a test btw for the person who deletes my questions

-8

Step-by-step explanation:

I answered this question a few minutes ago. Value was d = -4

So,

{-12+(-4)}/2

= (-12-4)/2

= (-16)/2

= -8

the answer is d. 75%

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length