12 is a
13 is b
14 is d
15 is 1 217/1250
I believe the answer is 60
Denominator, 12 and 9 are on the bottom. and 15 and x are on the right side.
Answer:
a)29
b)70
Step-by-step explanation:
The sum of the interior angles in a triangle is 180.
a)95+56+a=180 b)40+2b=180
151+a=180 2b=180-40
a=180-151 2b=140 /2
a=29 b=70
Answer:
n = 4.5
Step-by-step explanation:
1 n
------= ------------
2 9
using cross products
1 * 9 = 2 * n
divide each side by 2
9/2 = 2n/2
9/2 = n
n = 4.5