Pranav bought four candy bars for a total
of $12. How much did each candy bar
cost?

How do i do this using elimination 2x+3y=12 x-y=6

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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?