Answer:
His loss is 90
He sold it 1710
Step-by-step explanation:
1) 1800x5/100= 90
2) 1800-90=1710
Answer:
x=-10
Step-by-step explanation:
(3x+2)/4=-7
3x+2=4×-7
3x=-28-2
3x=-30
x=-10
Letter D it’s incorrect, not sure tho
The standard form of a circle is:

Your center is
and your radius is 
Plug them into the equation and you get


The correct answer is D.