Answer:
I'm not sure, it looks like you do k12. Are u in 9th grade Algebra 1?
Answer:
3.6cm
Step-by-step explanation:
AC-AB=BC
4cm-4mm=3.6cm
since 10mm=1cm
Answer:
C.
Step-by-step explanation:

Answer:30
Step-by-step explanation: Put 30 times 15 into a calulater. Then do 15 times 2 then you find your answer.