A village C is 12km upriver from a village D. It takes 20mins to go from D to C and back to D by boat. If the boat travels at 6 km per hr upriver and (6+y)km per hr downriver, what is the value of y?

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?