Ihave 3 hundreds,17 tens,13 ones,1 tenths and 2 hundreths what number am i?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Pls never taught i’m really confused and i rlly need

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122