Please I will mark brainliest! Which is an equation of the line through the origin and (-8, -5)?

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9