An aircraft carrier made a trip to guam and back. the trip there took three hours and the trip back took four hours. it averaged 6 km/h on the return trip. find the average speed of the trip there.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest