Solve the following simultaneous linear equations by the Elimination method: (show work)

5x-2y=14
x+3y=13

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585