I buy 10 CDs, which costs me £65.00. If I take 25% of them back to the shop, how much money do I get back?

What percent of the circle below is shaded?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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. what distance from city a is the point where the truck and the car will meet?