C.
90 + 2x = 180
Solve that and x is answer
Answer:
34
Step-by-step explanation:
Add them together
5x+10=180
5x+10-10=180-10
5x=170
5x/5=170/5
x=34
The median is 12.1 because it is the center number in the sequence. This only applies if the numbers are in order from least to greatest, and also if there are a even number of numbers in the sequence you must take the average of the two center ones because there is no center one.
The answer is c hope this helps!!!
I think question 2 is 3 millimeters
Because diameter = 2r (R = radius)