Yes to both, and for future help, if you find a common denominator(the bottom one) by multiplication and one is higher, boom you have your answer.
The volume of the rectangular prism is

Where:
L is its length
W is its width
H is its height
From the given figure
L = 15.2 cm
W = 8 cm
H = 5.8 cm
Substitute them in the rule above

Round it to the nearest tenth

Answer D
The given matrix represent the following linear system
4x - 7y = -12
-14x + 4y = 4
Good luck!!!
I can make inferences to the text or article..
Vertical angles i believe is the right answer to this problem