Step-by-step explanation:
(18+44)+22= 18+44+22
18+(44+22)=18+44+22
As there are only +es we can don't put the short lines() and the expressions will still mean the same and they will be equivalent
2x+3(0)=18 2x=18 x=9
2(0)+3y=18 3y=18 y=6
55. the central angels are the same, so the arc measure is the same
Answer: the answer is d sin30degrees equal 5/x because sin is opposite over hyponuese