Can you solely rely on induction to prove that your conclusion is correct

What is the total surface area of this square pyramid?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

What is the difference between the equations of a vertical and a horizontal line?