what is the value of h?\no h = 1.5\no h = 9\no h = 10\no h = 13.5\n(3h + 18)° (15h)°

Answer:

B. ( h = 9 )

Explanation:

Step 1: Set up the equation for supplementary angles

Assume the angles are supplementary (sum to 180°):
( (3h + 18) + 15h = 180 )

Step 2: Combine like terms

( 18h + 18 = 180 )

Step 3: Solve for ( h )

Subtract 18 from both sides:
( 18h = 162 )
Divide by 18:
( h = 9 )