Answer:
Step-by-step explanation:
collect terms
11x+61=180
move numbers to one side and x to other
11x=180-61
11x=119
x=119/11=10.8
Answer:
200mm is smallest
Step-by-step explanation:
km-m-cm-mm(order of units)
Answer:
1 1/2+1 1/2=3+1 1/2= 4 1/2
3 clases in 1 night
Answer:
SSS or SAS
Step-by-step explanation:
Should be 7 sided and 7 angled