Cho số dcba chứng minh rằng N chia hết 16 khi và chỉ khi (a+2b+4c+8d) chia hết cho 16 với b chẵn

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective