Help me plss from the pick plss

here : 2 0.5

here : 4 5. 7

Can you simplify 4/7? 24 points will be awarded!

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

How do you write a paragraph proof to prove that the corresponding angles shown are congruent