Solve the system using substitution. show all work.
y = x - 5
3x - y = 7

solve the system using the linear combination method. show all work.

2x + 2y = 12
3x + y = 2

show all work and steps . the teacher will not grade fully and give a failing grade without showing steps and all work.

and don't be a freaking troll as i will report you for trolling with short improper answers.

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

What multiplys to be 1 but adds up to be 4

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly