At noon, ship a is 170 km west of ship b. ship a is sailing east at 40 km/h and ship b is sailing north at 20 km/h. how fast is the distance between the ships changing at 4: 00 pm?

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers