Answer:
The distributive property is one of the most frequently used properties in math. In general, this term refers to the distributive property of multiplication which states that the. Definition: The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.
4x-9=2x+5
4x-2x=9+5
2x=14
divide both sides by 2
x=7
I think it would be the last option
Step-by-step explanation:
:)
ANSWER
None of the above
EXPLANATION
Recall the mnemonic CAH, from trigonometric ratios.
CAH means the cosine ratio is the ratio of the length of the adjacent side to the length of the hypotenuse.
This implies that,

The side adjacent to the 23° angle is 12 units and the hypotenuse is 13 units.
This implies that,

None of the provided options is correct