Noah spent 25 hours working on his car. He spent 4/5 of his time working on the transmission. How much time did Noah spend working on the transmission?

What graph correctly matches the equation y equals two negative x

What is the value of x? enter your answer in the box. photo attached.

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