Avan travels at a constant speed of x km/hr over a distance of 45km/hr. if the van increases its speed by 4km/h, it will be able to travel a distance of 48km in the same amount of time. calculate x.

Use the multiplier method to incrases £258 by 43%

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

If a is a nonzero real number then the reciprocal of a is