Figure ABCD is a rectangle. Find the value of x. help !!!

What are the sotions to the quadratic equation 9x^2=4

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 point has an coordinates of (2,0) ? a