MARKING BRAINLIEST, PLEASE HELP. In order for the picture frame to fit together where both pairs of opposite sides are parallel, what must the sum of x and y be?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Which expression is equivalent to? assume x > 0 and y > 0.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣