Answer:
x=18
Step-by-step explanation:
all the interior angles in a pentagon = 540. use to interior angle theorem. then just add all the angles up and make them = to 540 like this: 540=95+90+(7x-4)+(3x+23)+(9x-6). then solve using algebra
Answer:

Step-by-step explanation:




3ab...when a = 2 and b = 3
(3)(2)(3) = 6(3) = 18