Which sequences of transformations applied to shape i prove that shape i is similar to shape ii?
a translation 12 units right and 5 units up, and then a dilation by a scale factor of 2
a reflection across the x-axis and then across the y-axis, and then a dilation by a scale factor of 2
a 180° counterclockwise rotation about the origin, and then a dilation by a scale factor of 2
a reflection across the y-axis, and then dilation by a scale factor of 2
a reflection across the x-axis m, and then a dilation by a scale factor of 2

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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.)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling