Suppose WZ is on a coordinate plane located at W(-3,5) and Z(1,1). Under a dilation centered at the origin. WZ becomes W prime and Z prime with coordinates W prime (-12,20) and Z prime (4,4). What is the scale factor of this dilation?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

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.)