just download MATH PAPA app, it will help you solve any hard mathematical problems, I see that your answers are there.
Answer:
y = (9 x)/10 - 7/5
Step-by-step explanation:
y-y/x-x
JDK-right triangle. JD=13, DK=3
By the Pythagorean theorem

JK≈13,34
Answer: the distance is 13 units
P.S. Hello from Russia
Answer:
None
Step-by-step explanation:
No solutions exist for the system of equations because the system is illogical: 3x+y=3x+y, but 18≠16.
Answer:
x = -5/4
Step-by-step explanation:
hope this helped :)