Find the measure of /x for which wxyz is a parallelogram.

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

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

I’m still confused on how to work the percentages