11) Type the missing number in this sequence:
49,
43,
37.
31,
19,
13

Sequence is take away 6 each time so the next three terms are

7

1

-5

omg what happend to your question? if you could edit this question i can

step-by-step explanation:

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.