Answer:

Step-by-step explanation:
Given matrix is,

Operations performed,
-10R₂ → R₂

3R₃ → R₃

Answer:
$240.5
Step-by-step explanation:
Multiply 0.85 and 130 to get 110.5. Add this to the original price, 130, to get 240.5.
Assume that 7 is a. We already know that c = 25. The equation is c^2 - a^2 = b^2.
25^2= 625 7^2= 49 625-49= 576
Square root of 576 = 24
The length of thee other leg is 24.
Your answer is in the attachment..
Hope the answer helps you..
.
.
Select it as the BRAINLIEST..