which pair of rectangles is similar?
a. 1 rectangle is 3 and 8 2 rectangle is 2 and 6
b. 1 rectangle is 3 and 6 2 rectangle is 2 and 9
c. 1 rectangle is 3 and 8 2 rectangle is 2 and 5
d. 1 rectangle is 3 and 9 2 rectangle is 2 and 6

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.)

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

Provide all steps given to find the answer. simplify: 5(2x+9)²