178-4 Write an equation for the diagram.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30