ANSWER
x=100,y=10
EXPLANATION
The given logarithmic equations are;

This implies that,

and

This implies that,


Put equation (2) into equation (1)



Hence y=10.
This implies

The perimeter will be
.. P = 2√(16^2 +30^2) = 2*34 = 68
The answer would be $24.55 per oz of gold alloy so rounded up would be $25
Answer:
21120
Step-by-step explanation:
1 mile = 5280 feet
5280 feet * 4 = 21120