Find two positive real numbers whose product is a maximum and whose sum is 156

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap