A ship sails north for 2 hours, traveling a total of 15 miles. Then the ship turns south and travels 6 miles in an hour. If north is taken as the positive direction, what is the velocity of the ship?

7 miles per hour , 7 miles per hour , ,

–3 miles per hour , –3 miles per hour , ,

3 miles per hour , 3 miles per hour , ,

–7 miles per hour

please help!!!

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Draw a scaled copy of the circle using a scale factor of 2