What time s the prescribed dosage of a certain medicine for a 6-year-old child if the adult dosage of the medicine is 180 milligrams?

the formula below is used to calculate the correct dosage for a child:
c = child’s dosage in milligrams
a = age of the child
a = adult dosage in milligrams

3/4 = c/36 i need with this fraction proble.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Luigi is the first person to finish a 5k race and is standing 13 feet beyond the finish line. another runner, mario, is still running the race and has approximately 24 feet before he reaches the finish line. what is the distance between mario and luigi? explain through words, numbers or pictures how you found the answer.