An irregular parallelogram rotates 360 degrees about the midpoint of its diagonal. how many times does the image of parallelogram coincide with its preimage during the rotation

a. 2

b.4

c.6

d.8

Use the graph of the sine function y=2sinθ shown below

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.)

Select all the expressions that will include a remainder.