I think i’m not really good at math so..
D.
(7,-3) and (4,0)
Answer:
30 60 90 triangle
the hypotenuse is twice the length of the shorter leg length.
4+3 = 7
7^2 +6^2
49+36 = 85
Radical85 = 9.21
So x will be 3.9
Explanation:
First, add by 25 both sides of an equation.

Then, simplify by equation and add/subtract by the numbers.

*The answer must be have a negative sign.

Hope this helps!
Thank you!
Have a great day!