What is the slope of the line below? (-3,5)

(2,-4)

A. positive
B. undefined
c. negative
D. zero

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

Average acceleration: i have no idea how to do this.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?