it's 71
Step-by-step explanation:
the triangle measures have to add up to 180. 71 plus 71 plus 38 is 180.
y =71
The sum of the angles of a triangle add to 180
y+y+38 = 180
Combine like terms
2y +38 =180
Subtract 38 from each side
2y+38-38 =180-38
2y = 142
Divide each side by 2
2y/2 =142/2
y = 71
The answer is in the image
The total nom of code that can be used is equal to 5+3 = 8
For every 8 cars there are 7 trucks
Therefore,
Cars:Truck=8:7
Answer is B)8:7
The solution is in the following image
It will provide an instant answer!