a service station on the interstate charges $2.29 per gallon for gasoline and $1.89 per quart for oil. what would be a reasonable amount to pay for 10 gallons of gasoline and 2 quarts of oil?

Well, technically um like well 

Ineed more information

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.