The greatest common divisor of 24,45,and 90 `

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?