Kolya bought 3 oranges that costed a dollars each, and 4 bananas that costed b dollars each. How much more he spent on oranges than on bananas?

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

How many days was the temperature above 90 degrees?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle