Answer:
2
due to the thenth being higher than the number five i would say round up so 9 becomes a solid number so the answers 2
just remember:
it goes ones decimal tenths hundreths thosenths
as well as five or more raise the score for or less let it rest
sorry for mispelling words its not my greatest skill
Step-by-step explanation:
the answer is xxl in roman number or 21
Step-by-step explanation:
m is for slope of the line that passes through



180-129= 51
angle 4 is equal to angle 12 so missing angle 12= 51°