Sarah baby-sits her cousins once a week. she gets paid $10 per hour and she includes a travel fee. if she baby-sat for 5 hours and was paid $72,what is the cost of her travel fee.

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?

How can you construct perpendicular lines and prove theorems about perpendicular lines

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65