The only correct answer is C.) 9
✓16 = 4
5+4= 9
x = 9
Since you don't know the value of b about the best that you could do is:
(2b)^4
16b^4
16b*b*b*b
I don’t know i need points sorry so sorry
Answer:
The angles are 45°, 60° , 75°
Step-by-step explanation:
<h3>
Angle sum property:</h3>
Sum of all the angles of a triangle is 180°.
Equation:
3x + 5x + 4x = 180
Combine like terms,
12x = 180
x = 180/12

3x = 3 *15 = 45°
5x = 5* 15 = 75°
4x = 4 *15 = 60°