[Proof by Contrapositive] Let m, n∈ Z. Prove that if m2 + n2 is odd, then either m or n is even.

kindly help me please

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

4932,9180,7625 are divisible by 9