The Answer is d hope it’s helps lol
$29.00 and you can also multiply too is is a cool way
I believe the second one, double check
Answer:
x=9
Step-by-step explanation:
The triangle is equilateral which means the sides are equal.
x+9 = 2x
Subtract x from each side
x+9-x = 2x-x
9 =x
