In a certain chemical, the ratio of zinc to copper is 3 to 14. A jar of the chemical contains 378 grams of copper. How many grams of zinc does it contain? PLEASE RN ASAP 30 POINTS

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

If the measure of xyz is 81 what is the measure of yz

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?