How many 12-inch rulers will be about the same length as a bike

How can we find the measure of an exterior angle if we know the measurement of an interior angle

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?