Which statement most accurately describes why the division property of exponents does not apply to the expression x^-2/y^-2?
a.
the division property of exponents does not apply to variables.
b.
the division property of exponents only applies to numbers with different exponents.
c.
the division property of exponents does not apply to negative exponents.
d.
the division property of exponents only applies when dividing powers of the same base.

One integer is 5 more than another. their product is 104. find the integers

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?