Medication is prescribed in 7 out of 10 hospital emergency room visits that involve an injury. If a large urban hospital had 750 emergency room visits involving in injury in the past month, how many of these visits would be expected to incljude a prescription for medication?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is