Simplify the following expression. 5^-5/2 * 5^9/2

A. 625

B. 1/25

C. 25

D. 5

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.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Ihonestly have no clue if it's each or none.