Trapezoid A B C D is shown. Diagonals are drawn from point B to point D and from point A to point C and intersect at point E. If quadrilateral ABCD is an isosceles trapezoid, which statements must be true? Select three options

BC ∥ AD
BD ⊥ AC
BA ≅ CD
BE ≅ ED
∠CBA ≅ ∠BCD

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

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.)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?