A straight line is 180° so....
9x+24 +6x - 24 = 180
15x=180. ( because you have to combine like terms.
X= 12
5 cm since a pentagon has 5 sides just multiply one side by 5
1x5=5
Answer:
x=40/9
Step-by-step explanation:

18 ÷ (2/3) = 18 × (3/2) = 18×3/2 = 9×3 = 27
The answer is 27
Answer:
15% tax
Step-by-step explanation: