Answer:
i think it is C sorry if im wrong
Step-by-step explanation:
Answer:
x=15/11
or
x=1.36
Step-by-step explanation:
Answer:
Im not sure which grade you are in, but im gonna say 12? Im pretty sure
Step-by-step explanation:
N(n-3)/2=189
n(n-3)=378
n^2-3n-378=0
n=21
4ov [2.718282]r =2.174625orv