Solve the following addition and subtraction problems. 90 cg 95 mg + 7 g 12 cg 18 mg = ; 12 dag 5 g − 7 g = ; 4 kg 2 hg 14 kg + 5 kg 17 hg = ; 8 kg − 9 g=

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

The product of sin 30 degrees and sin 60 degrees is same as the product of