Arectangle has length 1/2x+5 and width 1/4x+4. if the perimeter is 42 meters, what are the length and the width of the rectangle.

How do you solving the solution of each system using elimination?

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 shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x