When the moon appears to completely cover the sun, the moon must be at which phase?

New moon

Explanation: New moon because the moon is in-between the sun and the earth so there is no light to be reflected back to earth if there is no light in that side.

after lydia compare her check register to her bank statement, and the ending balances do not seem to match. then, she must make a bank reconciliation by putting the data all together.

to do this, she need to determine the bank ending balance. after, add the deposits in transit then deduct the outstanding checks. moreover, if the actual checkbook balance does not equal this number, check again for transporting errors by subtracting the balances and add the difference to nine. sometimes, a mathematical error can happen but a bank reconciliation is a great tool to resolve the discrepancies.